CVE-2026-34639: Out-of-bounds Write (CWE-787) in Adobe Media Encoder
Media Encoder versions 26.0.2, 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
Adobe Media Encoder versions 26.0.2, 25.6.4, and earlier contain an out-of-bounds write vulnerability (CWE-787) that may lead to arbitrary code execution in the context of the current user. The vulnerability requires the victim to open a malicious file to trigger the issue. The CVSS 3.1 base score is 7.8, indicating high severity with local attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation could result in arbitrary code execution with the privileges of the current user, potentially compromising confidentiality, integrity, and availability of the affected system. The attack requires user interaction by opening a malicious file, 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 vendor advisory for current remediation guidance. Until a patch is available, users should exercise caution when opening files from untrusted sources to avoid triggering the vulnerability.
CVE-2026-34639: Out-of-bounds Write (CWE-787) in Adobe Media Encoder
Description
Media Encoder versions 26.0.2, 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
Adobe Media Encoder versions 26.0.2, 25.6.4, and earlier contain an out-of-bounds write vulnerability (CWE-787) that may lead to arbitrary code execution in the context of the current user. The vulnerability requires the victim to open a malicious file to trigger the issue. The CVSS 3.1 base score is 7.8, indicating high severity with local attack vector, low attack complexity, no privileges required, user interaction required, and high impact on confidentiality, integrity, and availability. No vendor advisory or patch information is currently available.
Potential Impact
Successful exploitation could result in arbitrary code execution with the privileges of the current user, potentially compromising confidentiality, integrity, and availability of the affected system. The attack requires user interaction by opening a malicious file, 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 vendor advisory for current remediation guidance. Until a patch is available, users should exercise caution when opening files from untrusted sources to avoid triggering the vulnerability.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- adobe
- Date Reserved
- 2026-03-30T17:30:36.491Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a036543cbff5d861008c56b
Added to database: 5/12/2026, 5:37:07 PM
Last enriched: 5/12/2026, 7:12:36 PM
Last updated: 5/13/2026, 4:52:48 AM
Views: 2
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