CVE-2026-81977

Published: Sep 8, 2026Modified: Sep 11, 2026

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitability: 1.8 / Impact: 3.6

Source: psirt@adobe.com (Secondary)

Description

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.

Affected (3)

Products: Adobe: Acrobat, Acrobat Dc, Acrobat Reader Dc

3 products

Configuration A

3 vulnerable · 2 platform

Vulnerable Software	Affected Versions
Adobe Acrobat	24.001.20604 ≤ version < 24.001.30429
Adobe Acrobat Dc	15.008.20082 ≤ version < 26.002.21901
Adobe Acrobat Reader Dc	15.008.20082 ≤ version < 26.002.21901

Running on/with	Platform Versions
Apple Macos	All versions
Microsoft Windows	All versions

Related CWEs

CWE-191

Integer Underflow (Wrap or Wraparound)

The product subtracts one value from another, such that the result is less than the minimum allowable integer value, which produces a value that is not equal to the correct result.

References (1)

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

Source: psirt@adobe.com

Vendor Advisory

Timeline

No history available yet.