CVE-2026-21318: After Effects | Out-of-bounds Write (CWE-787)
Published Feb 10, 2026
·Updated
After Effects versions 25.6 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.
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-2026-21318?
CVE-2026-21318 is classified as a critical vulnerability due to its potential for arbitrary code execution.
2
How do I fix CVE-2026-21318?
To mitigate CVE-2026-21318, update Adobe After Effects to the latest version beyond 25.6.
3
What are the affected versions of Adobe After Effects for CVE-2026-21318?
CVE-2026-21318 affects all versions of Adobe After Effects up to and including 25.6.
4
Can CVE-2026-21318 be exploited without user interaction?
No, exploitation of CVE-2026-21318 requires user interaction as a victim must open a malicious file.
5
What platforms are affected by CVE-2026-21318?
CVE-2026-21318 affects Adobe After Effects on platforms including Windows and macOS.