ZDI-26-674: Adobe Acrobat Reader DC Annotation Out-Of-Bounds Write Remote Code Execution Vulnerability
ZDI disclosed CVE-2026-81981, an out-of-bounds write in Adobe Acrobat Reader DC annotation handling that permits remote code execution.
Zero Day Initiative advisory ZDI-26-674 details an out-of-bounds write in the annotation handling of Adobe Acrobat Reader DC. Successful exploitation allows arbitrary code execution after the victim opens a malicious file or visits a malicious page. The advisory carries a CVSS score of 7.8. No exploitation is reported.
- CVE-2026-81981 assigned; CVSS 7.8
- Out-of-bounds write in Acrobat Reader DC annotations
- User interaction required; no exploitation reported
- CVEs
- CVE-2026-81981
- Vendors
- AdobeZero Day Initiative
- Products
- Adobe Acrobat Reader DC
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-81981 | Out-of-Bounds Write Leading to Arbitrary Code Execution in Adobe Acrobat Reader | 7.8 | <1% |
From the original article
This vulnerability allows remote attackers to execute arbitrary code on affected installations of Adobe Acrobat Reader DC. User interaction is required to exploit this vulnerability in that the target must visit a malicious page or open a malicious file. The ZDI has assigned a CVSS rating of 7.
zerodayinitiative.com
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