CVE-2026-81978: Out-of-bounds Read (CWE-125) in Adobe Adobe Acrobat
Adobe Acrobat contains an out-of-bounds read vulnerability that could allow an attacker to disclose sensitive memory information. Exploitation requires user interaction, specifically opening a malicious file. The vulnerability has a medium severity rating with a CVSS score of 5.5.
AI Analysis
Technical Summary
CVE-2026-81978 is an out-of-bounds read vulnerability (CWE-125) in Adobe Acrobat. This flaw allows an attacker to read memory beyond the intended bounds, potentially disclosing sensitive information. Successful exploitation requires the victim to open a crafted malicious file, which triggers the vulnerability. There is no indication of privilege requirements beyond user interaction, and the vulnerability does not impact integrity or availability.
Potential Impact
The vulnerability can lead to disclosure of sensitive memory contents, which may include confidential information. It does not affect system integrity or availability. Exploitation requires user interaction, limiting the attack vector to scenarios where a user opens a malicious file.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is currently documented. Users should exercise caution when opening files from untrusted sources until a patch is available.
CVE-2026-81978: Out-of-bounds Read (CWE-125) in Adobe Adobe Acrobat
Description
Adobe Acrobat contains an out-of-bounds read vulnerability that could allow an attacker to disclose sensitive memory information. Exploitation requires user interaction, specifically opening a malicious file. The vulnerability has a medium severity rating with a CVSS score of 5.5.
CVSS v3.1
Score 5.5medium
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-81978 is an out-of-bounds read vulnerability (CWE-125) in Adobe Acrobat. This flaw allows an attacker to read memory beyond the intended bounds, potentially disclosing sensitive information. Successful exploitation requires the victim to open a crafted malicious file, which triggers the vulnerability. There is no indication of privilege requirements beyond user interaction, and the vulnerability does not impact integrity or availability.
Potential Impact
The vulnerability can lead to disclosure of sensitive memory contents, which may include confidential information. It does not affect system integrity or availability. Exploitation requires user interaction, limiting the attack vector to scenarios where a user opens a malicious file.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or temporary workaround is currently documented. Users should exercise caution when opening files from untrusted sources until a patch is available.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-08-27T21:20:45.364Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6aa07233acd9273b4931f6dc
Added to database: 09/08/2026, 20:38:11 UTC
Last enriched: 09/08/2026, 21:07:52 UTC
Last updated: 09/09/2026, 01:22:13 UTC
Views: 5
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