CVE-2026-21323: After Effects | Use After Free (CWE-416)
Published Feb 10, 2026
·Updated
After Effects versions 25.6 and earlier are affected by a Use After Free 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.
Affected Software
4 affected components
Adobe After Effects<25.6
All of the following
Adobe After Effects<25.6.4
Any of the following
Apple macOS
Microsoft Windows
Event History
Feb 10, 2026
CVE Published
via MITRE·05:53 PM
Data Sourced
via MITRE·05:53 PM
DescriptionSeverityWeakness
Data Sourced
via NVD·06:16 PM
DescriptionSeverityWeaknessAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2026-21323?
CVE-2026-21323 is classified as a high-severity vulnerability due to its potential for arbitrary code execution.
2
How can I fix CVE-2026-21323?
To mitigate CVE-2026-21323, users should update Adobe After Effects to version 25.7 or later.
3
Which versions of After Effects are affected by CVE-2026-21323?
CVE-2026-21323 affects Adobe After Effects versions 25.6 and earlier.
4
What type of vulnerability is CVE-2026-21323?
CVE-2026-21323 is a Use After Free vulnerability, categorized under CWE-416.
5
Is user interaction required to exploit CVE-2026-21323?
Yes, exploitation of CVE-2026-21323 requires user interaction, such as opening a malicious file.