Use After Free Vulnerability in Adobe After Effects
CVE-2026-21329

7.8HIGH

Key Information:

Vendor

Adobe
Status
After Effects
Vendor
CVE Published:
10 February 2026

What is CVE-2026-21329?

Adobe After Effects versions 25.6 and earlier are susceptible to a Use After Free vulnerability. This flaw can lead to arbitrary code execution, allowing an attacker to execute unauthorized commands within the context of a user session. Exploitation requires user interaction, specifically opening a specially crafted malicious file. Users should be cautious and ensure they are using the latest versions or mitigations as outlined in security advisories.

Affected Version(s)

After Effects 0 <= 25.6

References

https://helpx.adobe.com/security/products/after_effects/a...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.