CVE-2026-81991: Out-of-bounds Read (CWE-125) in Adobe Adobe Acrobat
Description
Adobe Acrobat contains an out-of-bounds read vulnerability that may allow an attacker to disclose sensitive memory information. Exploitation requires user interaction, specifically opening a malicious file. The vulnerability affects certain versions of Adobe Acrobat up to 26.002.21900 and 24.001.30383. The issue has a medium severity rating with a CVSS score of 5.5.
CVSS v3.1
Score 5.5medium
Affected software
Adobe
Adobe Acrobat
Adobe
Acrobat Reader
Adobe
Acrobat 2024
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-81991 is an out-of-bounds read vulnerability (CWE-125) in Adobe Acrobat that could lead to disclosure of sensitive information from memory. An attacker must convince a user to open a specially crafted malicious file to exploit this vulnerability. The flaw affects Adobe Acrobat versions up to 26.002.21900 and 24.001.30383. No known exploits are reported in the wild, and no patch information is provided in the available data.
Potential Impact
Successful exploitation can result in disclosure of sensitive memory contents, potentially exposing confidential information. The vulnerability does not impact integrity or availability. Exploitation requires user interaction, limiting the attack vector to social engineering or targeted delivery of malicious files.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should avoid opening files from untrusted sources to mitigate risk.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-08-27T21:20:45.366Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6aa07235acd9273b4931f711
Added to database: 09/08/2026, 20:38:13 UTC
Last enriched: 09/16/2026, 02:39:27 UTC
Last updated: 10/23/2026, 15:10:15 UTC
Views: 57
Community Reviews
0 reviewsCrowdsource mitigation strategies, share intel context, and vote on the most helpful responses. Sign in to add your voice and help keep defenders ahead.
Want to contribute mitigation steps or threat intel context? Sign in or create an account to join the community discussion.
Actions
Updates to AI analysis require Pro Console access. Upgrade inside Console → Billing.
External Links
Need more coverage?
Upgrade to Pro Console for AI refresh and higher limits.
For incident response and remediation, OffSeq services can help resolve threats faster.
Latest Threats
Check if your credentials are on the dark web
Instant breach scanning across billions of leaked records. Free tier available.