# CVE-2026-80159: Acrobat Reader | Untrusted Search Path (CWE-426)

CVE-2026-80159 is fixed in 2 products on 2 platforms, first by Adobe Acrobat Reader DC 26.002.21901, released September 7, 2026. 1 other affected product has no fix yet. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2026-80159
- Priority: Routine
- CVSS: 4.0
- EPSS: 0.0020
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Published: Sep 8, 2026
- Weakness: CWE-426: Untrusted Search Path (CWE-426)
- Vendor advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-80159

## Description

Acrobat Reader is affected by an Untrusted Search Path vulnerability that could result in privilege escalation. An attacker with high privileges could leverage this vulnerability to gain elevated access. Exploit depends on conditions beyond the attacker's control. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Windows apps | Adobe Acrobat Reader DC | 26.002.21901 | [Adobe Acrobat Reader DC 26.002.21901](https://patchblox.com/security/data/fix/windows-app/adobe.acrobat.reader.32-bit-26.002.21901.md) | Sep 7, 2026 |
| Windows apps | Adobe Acrobat Reader DC (64-bit) | 26.002.21901 | [Adobe Acrobat Reader DC (64-bit) 26.002.21901](https://patchblox.com/security/data/fix/windows-app/adobe.acrobat.reader.64-bit-26.002.21901.md) | Sep 7, 2026 |

## No fix yet

| Platform | Product | Status |
|---|---|---|
| macOS | Adobe Acrobat Reader | no-fix |

---

Data as of 2026-11-09T07:25:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

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.