CVE-2026-81983: Acrobat Reader | Out-of-bounds Write (CWE-787)

Q: What must an attacker do to exploit this issue?

An attacker must persuade a victim to open a malicious file in Acrobat Reader. The vulnerability is locally exploitable and does not require privileges before exploitation.

Q: What access could successful exploitation provide?

Successful exploitation could allow arbitrary code execution with the permissions of the current user. The reported impact includes compromise of confidentiality, integrity, and availability.

Published Sep 8, 2026

Updated

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.

Affected Software

6 affected components

Adobe Acrobat Reader

All of the following

Any of the following

Adobe Acrobat>=24.001.20604<24.001.30429

Adobe Acrobat DC>=15.008.20082<26.002.21901

Adobe Acrobat Reader DC>=15.008.20082<26.002.21901

Any of the following

Apple macOS

Microsoft Windows

Event History

Sep 8, 2026

CVE Published

via MITRE·08:30 PM

Data Sourced

via MITRE·08:30 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·09:18 PM

DescriptionSeverityWeaknessAffected Software

Frequently Asked Questions

What must an attacker do to exploit this issue?

An attacker must persuade a victim to open a malicious file in Acrobat Reader. The vulnerability is locally exploitable and does not require privileges before exploitation.

What access could successful exploitation provide?