CVE-2026-34643: Out-of-bounds Write (CWE-787) in Adobe After Effects
After Effects versions 26.0, 25.6.4 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
AI Analysis
Technical Summary
CVE-2026-34643 is an out-of-bounds write vulnerability (CWE-787) affecting Adobe After Effects versions 26.0, 25.6.4, and earlier. This flaw allows an attacker to execute arbitrary code in the context of the current user if the victim opens a crafted malicious file. The vulnerability requires user interaction and has a CVSS 3.1 base score of 7.8, indicating high severity. No vendor advisory or patch information is currently available, and the product is not a cloud service.
Potential Impact
Successful exploitation could result in arbitrary code execution with the privileges of the current user, potentially leading to full compromise of the affected system under that user context. The attack requires user interaction, limiting remote exploitation without user involvement. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the Adobe vendor advisory for current remediation guidance. Until a patch is available, users should avoid opening files from untrusted or unknown sources to prevent exploitation. Monitor Adobe communications for updates on fixes.
CVE-2026-34643: Out-of-bounds Write (CWE-787) in Adobe After Effects
Description
After Effects versions 26.0, 25.6.4 and earlier are affected by an out-of-bounds write vulnerability that could result in arbitrary code execution in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-34643 is an out-of-bounds write vulnerability (CWE-787) affecting Adobe After Effects versions 26.0, 25.6.4, and earlier. This flaw allows an attacker to execute arbitrary code in the context of the current user if the victim opens a crafted malicious file. The vulnerability requires user interaction and has a CVSS 3.1 base score of 7.8, indicating high severity. No vendor advisory or patch information is currently available, and the product is not a cloud service.
Potential Impact
Successful exploitation could result in arbitrary code execution with the privileges of the current user, potentially leading to full compromise of the affected system under that user context. The attack requires user interaction, limiting remote exploitation without user involvement. There are no known exploits in the wild at this time.
Mitigation Recommendations
Patch status is not yet confirmed — check the Adobe vendor advisory for current remediation guidance. Until a patch is available, users should avoid opening files from untrusted or unknown sources to prevent exploitation. Monitor Adobe communications for updates on fixes.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-03-30T17:30:36.492Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a036543cbff5d861008c574
Added to database: 5/12/2026, 5:37:07 PM
Last enriched: 5/12/2026, 7:09:58 PM
Last updated: 5/13/2026, 4:48:15 AM
Views: 2
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