CVE-2026-81977 - Vulnerability Details - OpenCVE

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.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required None

Scope Unchanged

Confidentiality Impact High

Integrity Impact None

Availability Impact None

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Key SSVC decision points have not yet been added.

No data.

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References

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

History

Tue, 08 Sep 2026 20:45:00 +0000

Type	Values Removed	Values Added
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.
Title		Acrobat Reader \| Integer Underflow (Wrap or Wraparound) (CWE-191)
Weaknesses		CWE-191
References		https://helpx.adobe.com/security/products/acrobat/apsb26-141.html
Metrics		cvssV3_1 `{'score': 5.5, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N'}`

MITRE

Status: PUBLISHED

Assigner: adobe

Published: 2026-09-08T20:31:01.262Z

Updated: 2026-09-08T20:31:01.262Z

Reserved: 2026-08-27T21:20:45.364Z

Link: CVE-2026-81977

Vulnrichment

No data.

NVD

Status : Awaiting Analysis

Published: 2026-09-08T21:18:44.137

Modified: 2026-09-09T15:37:09.320

Link: CVE-2026-81977

Redhat

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