CVE-2026-81991: Acrobat Reader | Out-of-bounds Read (CWE-125)
Published Sep 8, 2026
·Updated
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.
Affected Software
1 affected component
Adobe Acrobat Reader
Event History
Sep 8, 2026
CVE Published
via MITRE·08:31 PM
Data Sourced
via MITRE·08:31 PM
DescriptionSeverityWeakness
Frequently Asked Questions
1
What must an attacker do to exploit this issue?
The attacker must persuade a victim to open a malicious file in Acrobat Reader. The vulnerability is locally exploitable and does not require attacker privileges.
2
What is the likely impact if exploitation succeeds?
Successful exploitation could disclose sensitive information from memory. The provided data does not indicate integrity or availability impact.