CVE-2026-81977

Acrobat Reader is affected by an Integer Underflow (Wrap or Wraparound) vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage this vulnerability to disclose sensitive information. Exploitation of this issue requires user interaction in that a victim must open a malicious file.

Score

CVSS 3.1 5.5 Medium

Status

Analyzed - psirt@adobe.com

Published

2026-09-08

Last modified

2026-09-11

Weaknesses

CWE-191

Affected products

• Acrobat (Adobe)
• Acrobat 2024 (Adobe)
• Acrobat Dc (Adobe)
• Acrobat Reader (Adobe)
• Acrobat Reader Dc (Adobe)
• Adobe Acrobat (Adobe)

References

• https://helpx.adobe.com/security/products/acrobat/apsb26-141.html