Incorrect Authorization Bypass in Acrobat Reader

Publication date: 2026-09-08

Last updated on: 2026-09-08

Assigner: Adobe Systems Incorporated

Description

Acrobat Reader is affected by an Incorrect Authorization vulnerability that could result in a Security feature bypass. An attacker could leverage this vulnerability to bypass security measures and gain unauthorized write access. Exploitation of this issue requires user interaction in that a victim must open a malicious file. Scope is changed.

CVSS Scores

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Meta Information

Published

2026-09-08

Last Modified

2026-09-08

Generated

2026-09-09

AI Q&A

2026-09-09

EPSS Evaluated

N/A

NVD

CVE-2026-81997

Affected Vendors & Products

Vendor	Product	Version / Range
adobe	acrobat_reader	*

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

Acrobat Reader has an Incorrect Authorization vulnerability that allows security feature bypass. An attacker could exploit this to gain unauthorized write access by tricking a user into opening a malicious file. User interaction is required for exploitation.

Impact Analysis

This vulnerability could allow attackers to bypass security measures and gain unauthorized write access to your system. Since user interaction is required, you could be impacted if you open a malicious file, potentially leading to data tampering or further compromise.

Mitigation Strategies

Update Acrobat Reader to the latest version to patch the Incorrect Authorization vulnerability. Avoid opening untrusted files and disable JavaScript in Acrobat Reader if not required.

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