ZDI-26-675: Adobe Acrobat Reader DC Annotation Use-After-Free Remote Code Execution Vulnerability
ZDI disclosed a CVSS 7.8 use-after-free remote code execution flaw (CVE-2026-81976) in Adobe Acrobat Reader DC triggered via malicious PDFs.
The Zero Day Initiative published advisory ZDI-26-675 describing a use-after-free remote code execution vulnerability in Adobe Acrobat Reader DC, tracked as CVE-2026-81976 with a CVSS 7.8 score. The flaw resides in the annotation feature. Exploitation requires user interaction: the target must visit a malicious page or open a malicious file. The advisory reports no evidence of in-the-wild exploitation.
- Use-after-free in Adobe Acrobat Reader DC annotation handling allows remote code execution.
- CVSS 7.8; requires the victim to visit a malicious page or open a malicious file.
- Disclosed via ZDI; no in-the-wild exploitation reported.
- CVEs
- CVE-2026-81976
- Vendors
- Adobe
- Products
- Acrobat Reader
- Organizations
- Zero Day Initiative
Vulnerabilities mentioned
All| CVE | Vulnerability | CVSS | EPSS | Signals | Published |
|---|---|---|---|---|---|
| CVE-2026-81976 | Use-After-Free in Adobe Acrobat Reader Allows Arbitrary Code Execution | 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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