# CVE-2026-92071: Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component

CVE-2026-92071 is fixed in 339 products on 3 platforms, first by Firefox Developer Edition (en-US) 156.0, released September 2, 2026. 102 other affected products have no fix yet. It is not reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2026-92071
- Priority: Urgent
- CVSS: 9.6
- EPSS: 0.0024
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 15, 2026
- Weakness: CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-92071

## Description

Sandbox escape due to incorrect boundary conditions in the Widget: Win32 component. This vulnerability was fixed in Firefox 156, Firefox ESR 153.3, Thunderbird 156, and Thunderbird 153.3.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Firefox Developer Edition (en-US) | 156.0 | [Firefox Developer Edition (en-US) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.developeredition-156.0.md) | Sep 2, 2026 |
| Windows apps | Mozilla Firefox (ach) | 156.0 | [Mozilla Firefox (ach) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ach-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (af) | 156.0 | [Mozilla Firefox (af) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.af-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (an) | 156.0 | [Mozilla Firefox (an) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.an-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ar) | 156.0 | [Mozilla Firefox (ar) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ar-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ast) | 156.0 | [Mozilla Firefox (ast) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ast-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (az) | 156.0 | [Mozilla Firefox (az) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.az-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (be) | 156.0 | [Mozilla Firefox (be) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.be-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (bg) | 156.0 | [Mozilla Firefox (bg) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bg-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (bn) | 156.0 | [Mozilla Firefox (bn) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bn-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (br) | 156.0 | [Mozilla Firefox (br) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.br-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (bs) | 156.0 | [Mozilla Firefox (bs) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.bs-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ca) | 156.0 | [Mozilla Firefox (ca) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ca-valencia) | 156.0 | [Mozilla Firefox (ca-valencia) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ca-valencia-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (cak) | 156.0 | [Mozilla Firefox (cak) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cak-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (cs) | 156.0 | [Mozilla Firefox (cs) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cs-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (cy) | 156.0 | [Mozilla Firefox (cy) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.cy-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (da) | 156.0 | [Mozilla Firefox (da) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.da-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (de) | 156.0 | [Mozilla Firefox (de) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.de-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (dsb) | 156.0 | [Mozilla Firefox (dsb) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.dsb-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (el) | 156.0 | [Mozilla Firefox (el) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.el-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (en-CA) | 156.0 | [Mozilla Firefox (en-CA) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-ca-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (en-GB) | 156.0 | [Mozilla Firefox (en-GB) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.en-gb-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (en-US) | 156.0 | [Mozilla Firefox (en-US) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (eo) | 156.0 | [Mozilla Firefox (eo) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eo-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (es-AR) | 156.0 | [Mozilla Firefox (es-AR) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-ar-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (es-CL) | 156.0 | [Mozilla Firefox (es-CL) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-cl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (es-ES) | 156.0 | [Mozilla Firefox (es-ES) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-es-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (es-MX) | 156.0 | [Mozilla Firefox (es-MX) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.es-mx-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (et) | 156.0 | [Mozilla Firefox (et) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.et-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (eu) | 156.0 | [Mozilla Firefox (eu) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.eu-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (fa) | 156.0 | [Mozilla Firefox (fa) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fa-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ff) | 156.0 | [Mozilla Firefox (ff) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ff-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (fi) | 156.0 | [Mozilla Firefox (fi) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fi-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (fr) | 156.0 | [Mozilla Firefox (fr) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fr-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (fur) | 156.0 | [Mozilla Firefox (fur) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fur-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (fy-NL) | 156.0 | [Mozilla Firefox (fy-NL) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.fy-nl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ga-IE) | 156.0 | [Mozilla Firefox (ga-IE) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ga-ie-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (gd) | 156.0 | [Mozilla Firefox (gd) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gd-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (gl) | 156.0 | [Mozilla Firefox (gl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (gn) | 156.0 | [Mozilla Firefox (gn) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gn-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (gu-IN) | 156.0 | [Mozilla Firefox (gu-IN) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.gu-in-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (he) | 156.0 | [Mozilla Firefox (he) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.he-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (hi-IN) | 156.0 | [Mozilla Firefox (hi-IN) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hi-in-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (hr) | 156.0 | [Mozilla Firefox (hr) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hr-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (hsb) | 156.0 | [Mozilla Firefox (hsb) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hsb-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (hu) | 156.0 | [Mozilla Firefox (hu) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hu-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (hy-AM) | 156.0 | [Mozilla Firefox (hy-AM) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.hy-am-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ia) | 156.0 | [Mozilla Firefox (ia) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ia-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (id) | 156.0 | [Mozilla Firefox (id) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.id-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (is) | 156.0 | [Mozilla Firefox (is) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.is-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (it) | 156.0 | [Mozilla Firefox (it) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.it-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ja) | 156.0 | [Mozilla Firefox (ja) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ja-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ka) | 156.0 | [Mozilla Firefox (ka) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ka-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (kab) | 156.0 | [Mozilla Firefox (kab) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kab-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (kk) | 156.0 | [Mozilla Firefox (kk) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kk-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (km) | 156.0 | [Mozilla Firefox (km) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.km-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (kn) | 156.0 | [Mozilla Firefox (kn) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.kn-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ko) | 156.0 | [Mozilla Firefox (ko) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ko-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (lij) | 156.0 | [Mozilla Firefox (lij) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lij-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (lt) | 156.0 | [Mozilla Firefox (lt) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lt-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (lv) | 156.0 | [Mozilla Firefox (lv) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.lv-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (mk) | 156.0 | [Mozilla Firefox (mk) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mk-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (mr) | 156.0 | [Mozilla Firefox (mr) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.mr-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ms) | 156.0 | [Mozilla Firefox (ms) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ms-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (my) | 156.0 | [Mozilla Firefox (my) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.my-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (nb-NO) | 156.0 | [Mozilla Firefox (nb-NO) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nb-no-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ne-NP) | 156.0 | [Mozilla Firefox (ne-NP) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ne-np-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (nl) | 156.0 | [Mozilla Firefox (nl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (nn-NO) | 156.0 | [Mozilla Firefox (nn-NO) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.nn-no-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (oc) | 156.0 | [Mozilla Firefox (oc) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.oc-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (pa-IN) | 156.0 | [Mozilla Firefox (pa-IN) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pa-in-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (pl) | 156.0 | [Mozilla Firefox (pl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (pt-BR) | 156.0 | [Mozilla Firefox (pt-BR) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-br-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (pt-PT) | 156.0 | [Mozilla Firefox (pt-PT) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.pt-pt-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (rm) | 156.0 | [Mozilla Firefox (rm) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.rm-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ro) | 156.0 | [Mozilla Firefox (ro) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ro-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ru) | 156.0 | [Mozilla Firefox (ru) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ru-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (sc) | 156.0 | [Mozilla Firefox (sc) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sc-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (sco) | 156.0 | [Mozilla Firefox (sco) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sco-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (si) | 156.0 | [Mozilla Firefox (si) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.si-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (sk) | 156.0 | [Mozilla Firefox (sk) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sk-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (sl) | 156.0 | [Mozilla Firefox (sl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (son) | 156.0 | [Mozilla Firefox (son) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.son-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (sq) | 156.0 | [Mozilla Firefox (sq) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sq-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (sr) | 156.0 | [Mozilla Firefox (sr) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sr-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (sv-SE) | 156.0 | [Mozilla Firefox (sv-SE) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.sv-se-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (szl) | 156.0 | [Mozilla Firefox (szl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.szl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ta) | 156.0 | [Mozilla Firefox (ta) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ta-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (te) | 156.0 | [Mozilla Firefox (te) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.te-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (tg) | 156.0 | [Mozilla Firefox (tg) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tg-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (th) | 156.0 | [Mozilla Firefox (th) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.th-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (tl) | 156.0 | [Mozilla Firefox (tl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (tr) | 156.0 | [Mozilla Firefox (tr) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.tr-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (trs) | 156.0 | [Mozilla Firefox (trs) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.trs-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (uk) | 156.0 | [Mozilla Firefox (uk) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uk-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (ur) | 156.0 | [Mozilla Firefox (ur) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.ur-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (uz) | 156.0 | [Mozilla Firefox (uz) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.uz-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (vi) | 156.0 | [Mozilla Firefox (vi) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.vi-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (xh) | 156.0 | [Mozilla Firefox (xh) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.xh-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (zh-CN) | 156.0 | [Mozilla Firefox (zh-CN) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-cn-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox (zh-TW) | 156.0 | [Mozilla Firefox (zh-TW) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.zh-tw-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ach) | 153.3.0 | [Mozilla Firefox ESR (ach) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ach-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (af) | 153.3.0 | [Mozilla Firefox ESR (af) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.af-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (an) | 153.3.0 | [Mozilla Firefox ESR (an) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.an-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ar) | 153.3.0 | [Mozilla Firefox ESR (ar) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ar-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ast) | 153.3.0 | [Mozilla Firefox ESR (ast) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ast-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (az) | 153.3.0 | [Mozilla Firefox ESR (az) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.az-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (be) | 153.3.0 | [Mozilla Firefox ESR (be) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.be-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (bg) | 153.3.0 | [Mozilla Firefox ESR (bg) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bg-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (bn) | 153.3.0 | [Mozilla Firefox ESR (bn) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bn-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (br) | 153.3.0 | [Mozilla Firefox ESR (br) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.br-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (bs) | 153.3.0 | [Mozilla Firefox ESR (bs) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.bs-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ca) | 153.3.0 | [Mozilla Firefox ESR (ca) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ca-valencia) | 153.3.0 | [Mozilla Firefox ESR (ca-valencia) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ca-valencia-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (cak) | 153.3.0 | [Mozilla Firefox ESR (cak) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cak-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (cs) | 153.3.0 | [Mozilla Firefox ESR (cs) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cs-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (cy) | 153.3.0 | [Mozilla Firefox ESR (cy) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.cy-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (da) | 153.3.0 | [Mozilla Firefox ESR (da) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.da-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (de) | 153.3.0 | [Mozilla Firefox ESR (de) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.de-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (dsb) | 153.3.0 | [Mozilla Firefox ESR (dsb) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.dsb-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (el) | 153.3.0 | [Mozilla Firefox ESR (el) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.el-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (en-CA) | 153.3.0 | [Mozilla Firefox ESR (en-CA) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-ca-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (en-GB) | 153.3.0 | [Mozilla Firefox ESR (en-GB) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.en-gb-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (en-US) | 153.3.0 | [Mozilla Firefox ESR (en-US) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (eo) | 153.3.0 | [Mozilla Firefox ESR (eo) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eo-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (es-AR) | 153.3.0 | [Mozilla Firefox ESR (es-AR) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-ar-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (es-CL) | 153.3.0 | [Mozilla Firefox ESR (es-CL) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-cl-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (es-ES) | 153.3.0 | [Mozilla Firefox ESR (es-ES) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-es-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (es-MX) | 153.3.0 | [Mozilla Firefox ESR (es-MX) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.es-mx-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (et) | 153.3.0 | [Mozilla Firefox ESR (et) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.et-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (eu) | 153.3.0 | [Mozilla Firefox ESR (eu) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.eu-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (fa) | 153.3.0 | [Mozilla Firefox ESR (fa) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fa-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ff) | 153.3.0 | [Mozilla Firefox ESR (ff) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ff-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (fi) | 153.3.0 | [Mozilla Firefox ESR (fi) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fi-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (fr) | 153.3.0 | [Mozilla Firefox ESR (fr) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fr-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (fur) | 153.3.0 | [Mozilla Firefox ESR (fur) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fur-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (fy-NL) | 153.3.0 | [Mozilla Firefox ESR (fy-NL) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.fy-nl-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ga-IE) | 153.3.0 | [Mozilla Firefox ESR (ga-IE) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ga-ie-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (gd) | 153.3.0 | [Mozilla Firefox ESR (gd) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gd-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (gl) | 153.3.0 | [Mozilla Firefox ESR (gl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gl-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (gn) | 153.3.0 | [Mozilla Firefox ESR (gn) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gn-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (gu-IN) | 153.3.0 | [Mozilla Firefox ESR (gu-IN) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.gu-in-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (he) | 153.3.0 | [Mozilla Firefox ESR (he) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.he-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (hi-IN) | 153.3.0 | [Mozilla Firefox ESR (hi-IN) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hi-in-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (hr) | 153.3.0 | [Mozilla Firefox ESR (hr) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hr-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (hsb) | 153.3.0 | [Mozilla Firefox ESR (hsb) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hsb-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (hu) | 153.3.0 | [Mozilla Firefox ESR (hu) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hu-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (hy-AM) | 153.3.0 | [Mozilla Firefox ESR (hy-AM) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.hy-am-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ia) | 153.3.0 | [Mozilla Firefox ESR (ia) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ia-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (id) | 153.3.0 | [Mozilla Firefox ESR (id) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.id-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (is) | 153.3.0 | [Mozilla Firefox ESR (is) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.is-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (it) | 153.3.0 | [Mozilla Firefox ESR (it) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.it-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ja) | 153.3.0 | [Mozilla Firefox ESR (ja) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ja-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ka) | 153.3.0 | [Mozilla Firefox ESR (ka) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ka-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (kab) | 153.3.0 | [Mozilla Firefox ESR (kab) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kab-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (kk) | 153.3.0 | [Mozilla Firefox ESR (kk) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kk-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (km) | 153.3.0 | [Mozilla Firefox ESR (km) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.km-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (kn) | 153.3.0 | [Mozilla Firefox ESR (kn) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.kn-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ko) | 153.3.0 | [Mozilla Firefox ESR (ko) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ko-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (lij) | 153.3.0 | [Mozilla Firefox ESR (lij) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lij-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (lt) | 153.3.0 | [Mozilla Firefox ESR (lt) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lt-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (lv) | 153.3.0 | [Mozilla Firefox ESR (lv) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.lv-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (mk) | 153.3.0 | [Mozilla Firefox ESR (mk) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mk-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (mr) | 153.3.0 | [Mozilla Firefox ESR (mr) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.mr-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ms) | 153.3.0 | [Mozilla Firefox ESR (ms) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ms-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (my) | 153.3.0 | [Mozilla Firefox ESR (my) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.my-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (nb-NO) | 153.3.0 | [Mozilla Firefox ESR (nb-NO) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nb-no-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ne-NP) | 153.3.0 | [Mozilla Firefox ESR (ne-NP) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ne-np-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (nl) | 153.3.0 | [Mozilla Firefox ESR (nl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nl-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (nn-NO) | 153.3.0 | [Mozilla Firefox ESR (nn-NO) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.nn-no-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (oc) | 153.3.0 | [Mozilla Firefox ESR (oc) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.oc-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (pa-IN) | 153.3.0 | [Mozilla Firefox ESR (pa-IN) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pa-in-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (pl) | 153.3.0 | [Mozilla Firefox ESR (pl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pl-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (pt-BR) | 153.3.0 | [Mozilla Firefox ESR (pt-BR) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-br-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (pt-PT) | 153.3.0 | [Mozilla Firefox ESR (pt-PT) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.pt-pt-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (rm) | 153.3.0 | [Mozilla Firefox ESR (rm) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.rm-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ro) | 153.3.0 | [Mozilla Firefox ESR (ro) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ro-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ru) | 153.3.0 | [Mozilla Firefox ESR (ru) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ru-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (sc) | 153.3.0 | [Mozilla Firefox ESR (sc) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sc-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (sco) | 153.3.0 | [Mozilla Firefox ESR (sco) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sco-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (si) | 153.3.0 | [Mozilla Firefox ESR (si) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.si-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (sk) | 153.3.0 | [Mozilla Firefox ESR (sk) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sk-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (sl) | 153.3.0 | [Mozilla Firefox ESR (sl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sl-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (son) | 153.3.0 | [Mozilla Firefox ESR (son) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.son-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (sq) | 153.3.0 | [Mozilla Firefox ESR (sq) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sq-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (sr) | 153.3.0 | [Mozilla Firefox ESR (sr) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sr-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (sv-SE) | 153.3.0 | [Mozilla Firefox ESR (sv-SE) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.sv-se-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (szl) | 153.3.0 | [Mozilla Firefox ESR (szl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.szl-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ta) | 153.3.0 | [Mozilla Firefox ESR (ta) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ta-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (te) | 153.3.0 | [Mozilla Firefox ESR (te) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.te-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (tg) | 153.3.0 | [Mozilla Firefox ESR (tg) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tg-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (th) | 153.3.0 | [Mozilla Firefox ESR (th) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.th-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (tl) | 153.3.0 | [Mozilla Firefox ESR (tl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tl-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (tr) | 153.3.0 | [Mozilla Firefox ESR (tr) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.tr-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (trs) | 153.3.0 | [Mozilla Firefox ESR (trs) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.trs-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (uk) | 153.3.0 | [Mozilla Firefox ESR (uk) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uk-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (ur) | 153.3.0 | [Mozilla Firefox ESR (ur) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.ur-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (uz) | 153.3.0 | [Mozilla Firefox ESR (uz) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.uz-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (vi) | 153.3.0 | [Mozilla Firefox ESR (vi) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.vi-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (xh) | 153.3.0 | [Mozilla Firefox ESR (xh) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.xh-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (zh-CN) | 153.3.0 | [Mozilla Firefox ESR (zh-CN) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-cn-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Firefox ESR (zh-TW) | 153.3.0 | [Mozilla Firefox ESR (zh-TW) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.firefox.esr.zh-tw-153.3.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (af) | 156.0 | [Mozilla Thunderbird (af) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.af-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ar) | 156.0 | [Mozilla Thunderbird (ar) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ar-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ast) | 156.0 | [Mozilla Thunderbird (ast) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ast-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (be) | 156.0 | [Mozilla Thunderbird (be) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.be-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (bg) | 156.0 | [Mozilla Thunderbird (bg) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.bg-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (br) | 156.0 | [Mozilla Thunderbird (br) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.br-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ca) | 156.0 | [Mozilla Thunderbird (ca) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ca-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (cak) | 156.0 | [Mozilla Thunderbird (cak) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cak-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (cs) | 156.0 | [Mozilla Thunderbird (cs) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cs-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (cy) | 156.0 | [Mozilla Thunderbird (cy) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.cy-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (da) | 156.0 | [Mozilla Thunderbird (da) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.da-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (de) | 156.0 | [Mozilla Thunderbird (de) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.de-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (dsb) | 156.0 | [Mozilla Thunderbird (dsb) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.dsb-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (el) | 156.0 | [Mozilla Thunderbird (el) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.el-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (en-CA) | 156.0 | [Mozilla Thunderbird (en-CA) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-ca-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (en-GB) | 156.0 | [Mozilla Thunderbird (en-GB) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.en-gb-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (en-US) | 156.0 | [Mozilla Thunderbird (en-US) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (es-AR) | 156.0 | [Mozilla Thunderbird (es-AR) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-ar-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (es-ES) | 156.0 | [Mozilla Thunderbird (es-ES) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-es-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (es-MX) | 156.0 | [Mozilla Thunderbird (es-MX) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.es-mx-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (et) | 156.0 | [Mozilla Thunderbird (et) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.et-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (eu) | 156.0 | [Mozilla Thunderbird (eu) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.eu-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (fi) | 156.0 | [Mozilla Thunderbird (fi) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fi-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (fr) | 156.0 | [Mozilla Thunderbird (fr) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fr-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (fy-NL) | 156.0 | [Mozilla Thunderbird (fy-NL) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.fy-nl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ga-IE) | 156.0 | [Mozilla Thunderbird (ga-IE) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ga-ie-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (gd) | 156.0 | [Mozilla Thunderbird (gd) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gd-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (gl) | 156.0 | [Mozilla Thunderbird (gl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.gl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (he) | 156.0 | [Mozilla Thunderbird (he) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.he-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (hr) | 156.0 | [Mozilla Thunderbird (hr) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hr-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (hsb) | 156.0 | [Mozilla Thunderbird (hsb) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hsb-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (hu) | 156.0 | [Mozilla Thunderbird (hu) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hu-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (hy-AM) | 156.0 | [Mozilla Thunderbird (hy-AM) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.hy-am-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (id) | 156.0 | [Mozilla Thunderbird (id) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.id-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (is) | 156.0 | [Mozilla Thunderbird (is) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.is-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (it) | 156.0 | [Mozilla Thunderbird (it) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.it-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ja) | 156.0 | [Mozilla Thunderbird (ja) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ja-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ka) | 156.0 | [Mozilla Thunderbird (ka) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ka-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (kab) | 156.0 | [Mozilla Thunderbird (kab) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kab-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (kk) | 156.0 | [Mozilla Thunderbird (kk) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.kk-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ko) | 156.0 | [Mozilla Thunderbird (ko) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ko-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (lt) | 156.0 | [Mozilla Thunderbird (lt) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lt-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (lv) | 156.0 | [Mozilla Thunderbird (lv) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.lv-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ms) | 156.0 | [Mozilla Thunderbird (ms) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ms-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (nb-NO) | 156.0 | [Mozilla Thunderbird (nb-NO) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nb-no-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (nl) | 156.0 | [Mozilla Thunderbird (nl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (nn-NO) | 156.0 | [Mozilla Thunderbird (nn-NO) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.nn-no-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (pa-IN) | 156.0 | [Mozilla Thunderbird (pa-IN) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pa-in-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (pl) | 156.0 | [Mozilla Thunderbird (pl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (pt-BR) | 156.0 | [Mozilla Thunderbird (pt-BR) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-br-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (pt-PT) | 156.0 | [Mozilla Thunderbird (pt-PT) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.pt-pt-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (rm) | 156.0 | [Mozilla Thunderbird (rm) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.rm-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ro) | 156.0 | [Mozilla Thunderbird (ro) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ro-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (ru) | 156.0 | [Mozilla Thunderbird (ru) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.ru-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (sk) | 156.0 | [Mozilla Thunderbird (sk) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sk-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (sl) | 156.0 | [Mozilla Thunderbird (sl) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sl-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (sq) | 156.0 | [Mozilla Thunderbird (sq) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sq-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (sr) | 156.0 | [Mozilla Thunderbird (sr) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sr-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (sv-SE) | 156.0 | [Mozilla Thunderbird (sv-SE) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.sv-se-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (th) | 156.0 | [Mozilla Thunderbird (th) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.th-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (tr) | 156.0 | [Mozilla Thunderbird (tr) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.tr-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (uk) | 156.0 | [Mozilla Thunderbird (uk) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uk-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (uz) | 156.0 | [Mozilla Thunderbird (uz) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.uz-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (vi) | 156.0 | [Mozilla Thunderbird (vi) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.vi-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (zh-CN) | 156.0 | [Mozilla Thunderbird (zh-CN) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-cn-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird (zh-TW) | 156.0 | [Mozilla Thunderbird (zh-TW) 156.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.zh-tw-156.0.md) | Sep 15, 2026 |
| Windows apps | Mozilla Thunderbird ESR (af) | 153.3.0 | [Mozilla Thunderbird ESR (af) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.af-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ar) | 153.3.0 | [Mozilla Thunderbird ESR (ar) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ar-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ast) | 153.3.0 | [Mozilla Thunderbird ESR (ast) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ast-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (be) | 153.3.0 | [Mozilla Thunderbird ESR (be) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.be-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (bg) | 153.3.0 | [Mozilla Thunderbird ESR (bg) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.bg-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (br) | 153.3.0 | [Mozilla Thunderbird ESR (br) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.br-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ca) | 153.3.0 | [Mozilla Thunderbird ESR (ca) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ca-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (cak) | 153.3.0 | [Mozilla Thunderbird ESR (cak) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cak-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (cs) | 153.3.0 | [Mozilla Thunderbird ESR (cs) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cs-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (cy) | 153.3.0 | [Mozilla Thunderbird ESR (cy) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.cy-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (da) | 153.3.0 | [Mozilla Thunderbird ESR (da) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.da-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (de) | 153.3.0 | [Mozilla Thunderbird ESR (de) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.de-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (dsb) | 153.3.0 | [Mozilla Thunderbird ESR (dsb) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.dsb-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (el) | 153.3.0 | [Mozilla Thunderbird ESR (el) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.el-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (en-CA) | 153.3.0 | [Mozilla Thunderbird ESR (en-CA) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-ca-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (en-GB) | 153.3.0 | [Mozilla Thunderbird ESR (en-GB) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.en-gb-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (en-US) | 153.3.0 | [Mozilla Thunderbird ESR (en-US) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (es-AR) | 153.3.0 | [Mozilla Thunderbird ESR (es-AR) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-ar-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (es-ES) | 153.3.0 | [Mozilla Thunderbird ESR (es-ES) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-es-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (es-MX) | 153.3.0 | [Mozilla Thunderbird ESR (es-MX) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.es-mx-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (et) | 153.3.0 | [Mozilla Thunderbird ESR (et) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.et-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (eu) | 153.3.0 | [Mozilla Thunderbird ESR (eu) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.eu-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (fi) | 153.3.0 | [Mozilla Thunderbird ESR (fi) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fi-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (fr) | 153.3.0 | [Mozilla Thunderbird ESR (fr) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fr-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (fy-NL) | 153.3.0 | [Mozilla Thunderbird ESR (fy-NL) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.fy-nl-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ga-IE) | 153.3.0 | [Mozilla Thunderbird ESR (ga-IE) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ga-ie-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (gd) | 153.3.0 | [Mozilla Thunderbird ESR (gd) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gd-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (gl) | 153.3.0 | [Mozilla Thunderbird ESR (gl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.gl-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (he) | 153.3.0 | [Mozilla Thunderbird ESR (he) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.he-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hr) | 153.3.0 | [Mozilla Thunderbird ESR (hr) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hr-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hsb) | 153.3.0 | [Mozilla Thunderbird ESR (hsb) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hsb-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hu) | 153.3.0 | [Mozilla Thunderbird ESR (hu) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hu-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (hy-AM) | 153.3.0 | [Mozilla Thunderbird ESR (hy-AM) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.hy-am-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (id) | 153.3.0 | [Mozilla Thunderbird ESR (id) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.id-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (is) | 153.3.0 | [Mozilla Thunderbird ESR (is) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.is-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (it) | 153.3.0 | [Mozilla Thunderbird ESR (it) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.it-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ja) | 153.3.0 | [Mozilla Thunderbird ESR (ja) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ja-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ka) | 153.3.0 | [Mozilla Thunderbird ESR (ka) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ka-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (kab) | 153.3.0 | [Mozilla Thunderbird ESR (kab) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kab-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (kk) | 153.3.0 | [Mozilla Thunderbird ESR (kk) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.kk-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ko) | 153.3.0 | [Mozilla Thunderbird ESR (ko) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ko-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (lt) | 153.3.0 | [Mozilla Thunderbird ESR (lt) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lt-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (lv) | 153.3.0 | [Mozilla Thunderbird ESR (lv) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.lv-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ms) | 153.3.0 | [Mozilla Thunderbird ESR (ms) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ms-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (nb-NO) | 153.3.0 | [Mozilla Thunderbird ESR (nb-NO) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nb-no-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (nl) | 153.3.0 | [Mozilla Thunderbird ESR (nl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nl-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (nn-NO) | 153.3.0 | [Mozilla Thunderbird ESR (nn-NO) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.nn-no-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pa-IN) | 153.3.0 | [Mozilla Thunderbird ESR (pa-IN) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pa-in-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pl) | 153.3.0 | [Mozilla Thunderbird ESR (pl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pl-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pt-BR) | 153.3.0 | [Mozilla Thunderbird ESR (pt-BR) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-br-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (pt-PT) | 153.3.0 | [Mozilla Thunderbird ESR (pt-PT) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.pt-pt-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (rm) | 153.3.0 | [Mozilla Thunderbird ESR (rm) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.rm-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ro) | 153.3.0 | [Mozilla Thunderbird ESR (ro) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ro-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (ru) | 153.3.0 | [Mozilla Thunderbird ESR (ru) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.ru-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sk) | 153.3.0 | [Mozilla Thunderbird ESR (sk) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sk-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sl) | 153.3.0 | [Mozilla Thunderbird ESR (sl) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sl-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sq) | 153.3.0 | [Mozilla Thunderbird ESR (sq) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sq-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sr) | 153.3.0 | [Mozilla Thunderbird ESR (sr) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sr-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (sv-SE) | 153.3.0 | [Mozilla Thunderbird ESR (sv-SE) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.sv-se-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (th) | 153.3.0 | [Mozilla Thunderbird ESR (th) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.th-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (tr) | 153.3.0 | [Mozilla Thunderbird ESR (tr) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.tr-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (uk) | 153.3.0 | [Mozilla Thunderbird ESR (uk) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uk-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (uz) | 153.3.0 | [Mozilla Thunderbird ESR (uz) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.uz-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (vi) | 153.3.0 | [Mozilla Thunderbird ESR (vi) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.vi-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (zh-CN) | 153.3.0 | [Mozilla Thunderbird ESR (zh-CN) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-cn-153.3.0.md) | Sep 16, 2026 |
| Windows apps | Mozilla Thunderbird ESR (zh-TW) | 153.3.0 | [Mozilla Thunderbird ESR (zh-TW) 153.3.0](https://patchblox.com/security/data/fix/windows-app/mozilla.thunderbird.esr.zh-tw-153.3.0.md) | Sep 16, 2026 |
| macOS | Mozilla Firefox | 156.0 | [Mozilla Firefox 156.0](https://patchblox.com/security/data/fix/macos/org.mozilla.firefox-156.0.md) | Sep 9, 2026 |
| macOS | Mozilla Thunderbird | 156.0 | [Mozilla Thunderbird 156.0](https://patchblox.com/security/data/fix/macos/org.mozilla.thunderbird-156.0.md) | Sep 10, 2026 |
| Linux | MozillaFirefox opensuse-leap 16.0 | 153.3.0-160000.1.1 | [OPENSUSE-SU-2026:21951-1](https://patchblox.com/security/data/fix/linux/opensuse-su-2026-21951-1.md) | Sep 24, 2026 |
| Linux | MozillaFirefox sles 15.6 | 153.3.0-150400.157.8.1 | [SUSE-SU-2026:4264-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4264-1.md) | Sep 18, 2026 |
| Linux | MozillaFirefox sles 15.7 | 153.3.0-150400.157.8.1 | [SUSE-SU-2026:4264-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4264-1.md) | Sep 18, 2026 |
| Linux | MozillaFirefox sles 16.0 | 153.3.0-160000.1.1 | [SUSE-SU-2026:23918-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-23918-1.md) | Sep 24, 2026 |
| Linux | MozillaThunderbird sles 15.7 | 153.4.0-150400.13.6.1 | [SUSE-SU-2026:4627-1](https://patchblox.com/security/data/fix/linux/suse-su-2026-4627-1.md) | Nov 7, 2026 |

## No fix yet

| Platform | Product | Status |
|---|---|---|
| Windows apps | Firefox Developer Edition (ach) | no-fix |
| Windows apps | Firefox Developer Edition (af) | no-fix |
| Windows apps | Firefox Developer Edition (an) | no-fix |
| Windows apps | Firefox Developer Edition (ar) | no-fix |
| Windows apps | Firefox Developer Edition (ast) | no-fix |
| Windows apps | Firefox Developer Edition (az) | no-fix |
| Windows apps | Firefox Developer Edition (be) | no-fix |
| Windows apps | Firefox Developer Edition (bg) | no-fix |
| Windows apps | Firefox Developer Edition (bn) | no-fix |
| Windows apps | Firefox Developer Edition (br) | no-fix |
| Windows apps | Firefox Developer Edition (bs) | no-fix |
| Windows apps | Firefox Developer Edition (ca) | no-fix |
| Windows apps | Firefox Developer Edition (ca-valencia) | no-fix |
| Windows apps | Firefox Developer Edition (cak) | no-fix |
| Windows apps | Firefox Developer Edition (cs) | no-fix |
| Windows apps | Firefox Developer Edition (cy) | no-fix |
| Windows apps | Firefox Developer Edition (da) | no-fix |
| Windows apps | Firefox Developer Edition (de) | no-fix |
| Windows apps | Firefox Developer Edition (dsb) | no-fix |
| Windows apps | Firefox Developer Edition (el) | no-fix |
| Windows apps | Firefox Developer Edition (en-CA) | no-fix |
| Windows apps | Firefox Developer Edition (en-GB) | no-fix |
| Windows apps | Firefox Developer Edition (eo) | no-fix |
| Windows apps | Firefox Developer Edition (es-AR) | no-fix |
| Windows apps | Firefox Developer Edition (es-CL) | no-fix |
| Windows apps | Firefox Developer Edition (es-ES) | no-fix |
| Windows apps | Firefox Developer Edition (es-MX) | no-fix |
| Windows apps | Firefox Developer Edition (et) | no-fix |
| Windows apps | Firefox Developer Edition (eu) | no-fix |
| Windows apps | Firefox Developer Edition (fa) | no-fix |
| Windows apps | Firefox Developer Edition (ff) | no-fix |
| Windows apps | Firefox Developer Edition (fi) | no-fix |
| Windows apps | Firefox Developer Edition (fr) | no-fix |
| Windows apps | Firefox Developer Edition (fur) | no-fix |
| Windows apps | Firefox Developer Edition (fy-NL) | no-fix |
| Windows apps | Firefox Developer Edition (ga-IE) | no-fix |
| Windows apps | Firefox Developer Edition (gd) | no-fix |
| Windows apps | Firefox Developer Edition (gl) | no-fix |
| Windows apps | Firefox Developer Edition (gn) | no-fix |
| Windows apps | Firefox Developer Edition (gu-IN) | no-fix |
| Windows apps | Firefox Developer Edition (he) | no-fix |
| Windows apps | Firefox Developer Edition (hi-IN) | no-fix |
| Windows apps | Firefox Developer Edition (hr) | no-fix |
| Windows apps | Firefox Developer Edition (hsb) | no-fix |
| Windows apps | Firefox Developer Edition (hu) | no-fix |
| Windows apps | Firefox Developer Edition (hy-AM) | no-fix |
| Windows apps | Firefox Developer Edition (ia) | no-fix |
| Windows apps | Firefox Developer Edition (id) | no-fix |
| Windows apps | Firefox Developer Edition (is) | no-fix |
| Windows apps | Firefox Developer Edition (it) | no-fix |
| Windows apps | Firefox Developer Edition (ja) | no-fix |
| Windows apps | Firefox Developer Edition (ka) | no-fix |
| Windows apps | Firefox Developer Edition (kab) | no-fix |
| Windows apps | Firefox Developer Edition (kk) | no-fix |
| Windows apps | Firefox Developer Edition (km) | no-fix |
| Windows apps | Firefox Developer Edition (kn) | no-fix |
| Windows apps | Firefox Developer Edition (ko) | no-fix |
| Windows apps | Firefox Developer Edition (lij) | no-fix |
| Windows apps | Firefox Developer Edition (lt) | no-fix |
| Windows apps | Firefox Developer Edition (lv) | no-fix |
| Windows apps | Firefox Developer Edition (mk) | no-fix |
| Windows apps | Firefox Developer Edition (mr) | no-fix |
| Windows apps | Firefox Developer Edition (ms) | no-fix |
| Windows apps | Firefox Developer Edition (my) | no-fix |
| Windows apps | Firefox Developer Edition (nb-NO) | no-fix |
| Windows apps | Firefox Developer Edition (ne-NP) | no-fix |
| Windows apps | Firefox Developer Edition (nl) | no-fix |
| Windows apps | Firefox Developer Edition (nn-NO) | no-fix |
| Windows apps | Firefox Developer Edition (oc) | no-fix |
| Windows apps | Firefox Developer Edition (pa-IN) | no-fix |
| Windows apps | Firefox Developer Edition (pl) | no-fix |
| Windows apps | Firefox Developer Edition (pt-BR) | no-fix |
| Windows apps | Firefox Developer Edition (pt-PT) | no-fix |
| Windows apps | Firefox Developer Edition (rm) | no-fix |
| Windows apps | Firefox Developer Edition (ro) | no-fix |
| Windows apps | Firefox Developer Edition (ru) | no-fix |
| Windows apps | Firefox Developer Edition (sc) | no-fix |
| Windows apps | Firefox Developer Edition (sco) | no-fix |
| Windows apps | Firefox Developer Edition (si) | no-fix |
| Windows apps | Firefox Developer Edition (sk) | no-fix |
| Windows apps | Firefox Developer Edition (sl) | no-fix |
| Windows apps | Firefox Developer Edition (son) | no-fix |
| Windows apps | Firefox Developer Edition (sq) | no-fix |
| Windows apps | Firefox Developer Edition (sr) | no-fix |
| Windows apps | Firefox Developer Edition (sv-SE) | no-fix |
| Windows apps | Firefox Developer Edition (szl) | no-fix |
| Windows apps | Firefox Developer Edition (ta) | no-fix |
| Windows apps | Firefox Developer Edition (te) | no-fix |
| Windows apps | Firefox Developer Edition (tg) | no-fix |
| Windows apps | Firefox Developer Edition (th) | no-fix |
| Windows apps | Firefox Developer Edition (tl) | no-fix |
| Windows apps | Firefox Developer Edition (tr) | no-fix |
| Windows apps | Firefox Developer Edition (trs) | no-fix |
| Windows apps | Firefox Developer Edition (uk) | no-fix |
| Windows apps | Firefox Developer Edition (ur) | no-fix |
| Windows apps | Firefox Developer Edition (uz) | no-fix |
| Windows apps | Firefox Developer Edition (vi) | no-fix |
| Windows apps | Firefox Developer Edition (xh) | no-fix |
| Windows apps | Firefox Developer Edition (zh-CN) | no-fix |
| Windows apps | Firefox Developer Edition (zh-TW) | no-fix |
| Windows apps | Mozilla Firefox ESR (sat) | no-fix |
| Windows apps | Mozilla Firefox ESR (skr) | no-fix |

---

Data as of 2026-11-07T12:40:37Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo