Acrobat Reader OOB Write -> Arbitrary Code Exec
CVE-2026-81981 Published on September 8, 2026
Acrobat Reader | Out-of-bounds Write (CWE-787)
Acrobat Reader is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Vulnerability Analysis
CVE-2026-81981 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
What is a Memory Corruption Vulnerability?
The software writes data past the end, or before the beginning, of the intended buffer. Typically, this can result in corruption of data, a crash, or code execution. The software may modify an index or perform pointer arithmetic that references a memory location that is outside of the boundaries of the buffer. A subsequent write operation then produces undefined or unexpected results.
CVE-2026-81981 has been classified to as a Memory Corruption vulnerability or weakness.
Products Associated with CVE-2026-81981
stack.watch emails you whenever new vulnerabilities are published in Adobe Acrobat or Adobe Reader. Just hit a watch button to start following.
Affected Versions
Adobe Acrobat:- Before and including 26.002.21900 is affected.
- Version 26.002.21901 is unaffected.
- Before and including 26.002.21900 is affected.
- Version 26.002.21901 is unaffected.
- Before and including 24.001.30383 is affected.
- Version 24.001.30429 is unaffected.