Windows apps · Application version · November 10, 2026
Mozilla Firefox ESR (ff) 153.7.0
Mozilla Firefox ESR (ff) 153.7.0, released November 10, 2026, fixes 47 CVEs in Mozilla Firefox ESR (ff). None of them is reported as exploited. Patch Radar priority: Urgent.
Urgent
CVEs closed
47
15 rated Critical
Exploited
0
None reported
Highest CVSS
10.0
Base score, 0 to 10
Highest EPSS
0.0057
47th percentile
Priority of the 47 CVEs
Patch now 0
Urgent 15
High 23
Routine 9
Applies to
| Product | Version |
|---|---|
| Mozilla Firefox ESR (ff) | 153.7.0 |
CVEs this fix closes
| Priority | CVE | Title | CVSS | EPSS | Exploitation |
|---|---|---|---|---|---|
| Urgent | CVE-2026-74989 | Internally found bugs fixed in Thunderbird 154 | 9.8 | 0.0057 | None reported |
| Urgent | CVE-2026-84142 | Internally found bugs fixed in Thunderbird 155 | 9.8 | 0.0056 | None reported |
| Urgent | CVE-2026-92036 | Incorrect boundary conditions in the Networking: HTTP component | 9.8 | 0.0055 | None reported |
| Urgent | CVE-2026-92037 | Incorrect boundary conditions in the DOM: Animation component | 9.8 | 0.0055 | None reported |
| Urgent | CVE-2026-92061 | Incorrect boundary conditions in the Security: Process Sandboxing component | 9.8 | 0.0055 | None reported |
| Urgent | CVE-2026-92066 | Sandbox escape in the Profile Backup component | 9.8 | 0.0055 | None reported |
| Urgent | CVE-2026-92051 | Spoofing issue due to invalid pointer in the Graphics component | 9.1 | 0.0053 | None reported |
| Urgent | CVE-2026-74956 | Same-origin policy bypass in the DOM: Service Workers component | 9.1 | 0.0050 | None reported |
| Urgent | CVE-2026-92050 | Sandbox escape due to race condition in the XPConnect component | 9.1 | 0.0041 | None reported |
| Urgent | CVE-2026-100810 | Other issue in the DevTools component | 9.8 | 0.0038 | None reported |
| Urgent | CVE-2026-100763 | Incorrect boundary conditions in the Graphics: WebGPU component | 9.1 | 0.0038 | None reported |
| Urgent | CVE-2026-106016 | Mitigation bypass in the File Handling component | 9.8 | 0.0032 | None reported |
| Urgent | CVE-2026-74979 | Mitigation bypass in the Add-ons Manager component | 9.8 | 0.0031 | None reported |
| Urgent | CVE-2026-100804 | Sandbox escape due to use-after-free in the Preferences: Backend component | 9.6 | 0.0028 | None reported |
| Urgent | CVE-2026-92034 | Site isolation issue in the Graphics component | 9.1 | 0.0027 | None reported |
| High | CVE-2026-75874 | Sandbox escape in the Remote Settings Client component | 10.0 | 0.0046 | None reported |
| High | CVE-2026-74958 | Information disclosure in the WebRTC component | 7.5 | 0.0045 | None reported |
| High | CVE-2026-74947 | Privilege escalation due to invalid pointer in the Graphics component | 8.8 | 0.0045 | None reported |
| High | CVE-2026-74938 | Mitigation bypass in the JavaScript: GC component | 9.1 | 0.0044 | None reported |
| High | CVE-2026-74954 | Information disclosure due to side-channel in the Storage: Cache API component | 7.5 | 0.0044 | None reported |
| High | CVE-2026-84128 | Privilege escalation in the WebDriver BiDi component | 8.8 | 0.0044 | None reported |
| High | CVE-2026-74937 | Use-after-free in the JavaScript: GC component | 8.8 | 0.0044 | None reported |
| High | CVE-2026-92040 | Use-after-free in the JavaScript: WebAssembly component | 8.8 | 0.0042 | None reported |
| High | CVE-2026-74950 | Privilege escalation in the Downloads API component | 8.8 | 0.0042 | None reported |
| High | CVE-2026-74952 | Privilege escalation in the Application Update component | 8.8 | 0.0042 | None reported |
Showing 1 to 25 of 47
1Next
Patch Radar data is free to use with attribution. Terms and how to credit it.
Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.