CVE-2026-81991

Acrobat Reader | Out-of-bounds Read (CWE-125)

State: Published
Severity: 5.5 Medium
Published: Sep 8, 2026
Updated: Sep 9, 2026
Reserved: Aug 27, 2026

Description

Acrobat Reader is affected by an out-of-bounds read 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.

Scores

CVSS	Score	Vector	Source
3.1	5.5 Medium	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N	adobe

Weaknesses

CWE-125 Out-of-bounds Read (CWE-125)

Affected Products

Product	Versions
Adobe AcrobatAdobe	26.002.21900 and earlierAffected 26.002.21901Not affected
Acrobat ReaderAdobe	26.002.21900 and earlierAffected 26.002.21901Not affected
Acrobat 2024Adobe	24.001.30383 and earlierAffected 24.001.30429Not affected

References

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

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