Use-after-free in Adobe After Effects - CVE-2026-21329
Published: February 10, 2026
Vulnerability identifier: #VU122629
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-21329
CWE-ID: CWE-416
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error. A remote attacker can trick the victim into opening a specially crafted file and execute arbitrary code on the system.
Affected software
Adobe After Effects
How to mitigate CVE-2026-21329
Install updates from vendor's website.
Adobe After Effects - addressed in versions 25.6.4, 26.0