CVE-2026-21321: Adobe After Effects

High severity, CVSS 7.8. EPSS: 0.2% chance of exploitation in the next 30 days.

After Effects versions 25.6 and earlier are affected by an Integer Overflow or Wraparound 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 products

• Adobe After Effects: before 25.6.4 (fixed in 25.6.4)

Published 2026-02-10. Last modified 2026-08-28.