CVE-2026-81987: Acrobat Reader | Integer Overflow or Wraparound (CWE-190)

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

An attacker must convince the victim to open a malicious file in Acrobat Reader. The attack is local and requires user interaction, but it does not require privileges beforehand.

Q: What level of access could successful exploitation provide?

Successful exploitation could allow arbitrary code execution in the context of the current user. The resulting impact includes high confidentiality, integrity, and availability effects.

Published Sep 8, 2026

Updated

Acrobat Reader is affected by an Integer Overflow or Wraparound 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

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·08:31 PM

Data Sourced

via MITRE·08:31 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 convince the victim to open a malicious file in Acrobat Reader. The attack is local and requires user interaction, but it does not require privileges beforehand.

What level of access could successful exploitation provide?