CVE-2026-81977

MediumCVSS 5.5/10Last modified Sep 11, 2026

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.

Metrics

CVSS 3.1 5.5/10CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Weakness enumeration

Affected software

No affected versions have been published.

Timeline

Published
Sep 8, 2026
Last modified
Sep 11, 2026
NVD status
Analyzed

Related CVEs from 2026

CVE-2026-819785.5Acrobat Reader is affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverCVE-2026-819797.8Acrobat Reader is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the curreCVE-2026-81985.3The Activity Logs, User Activity Tracking, Multisite Activity Log from Logtivity plugin for WordPress is vulnerable to Authentication BypassCVE-2026-819807.8Acrobat Reader is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the curreCVE-2026-819817.8Acrobat Reader is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the curreCVE-2026-819825.5Acrobat Reader is affected by an out-of-bounds read vulnerability that could lead to disclosure of sensitive memory. An attacker could leverCVE-2026-819837.8Acrobat Reader is affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the curreCVE-2026-819845.5Acrobat Reader is affected by a Use After Free vulnerability that could lead to disclosure of sensitive memory. An attacker could leverage tCVE-2026-819857.8Acrobat Reader is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current useCVE-2026-819867.8Acrobat Reader is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current useCVE-2026-819877.8Acrobat Reader is affected by an Integer Overflow or Wraparound vulnerability that could result in arbitrary code execution in the context oCVE-2026-819887.8Acrobat Reader is affected by a Use After Free vulnerability that could result in arbitrary code execution in the context of the current use
CVE-2026-81977: Medium severity, CVSS 5.5 | Vulnix