Product:
After Effects
Summary
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.
Details
| Severity | Base Score | CVE |
|---|---|---|
| HIGH | 7.8 | CVE-2026-21351 |
Exploitation
To exploit this vulnerability, an attacker must create a malicious file that, when opened by the victim in After Effects, triggers the Use After Free condition. This requires the victim to be tricked into opening the file, which can lead to arbitrary code execution with the privileges of the current user.
Affected Products
- After Effects 25.6 and earlier: Vulnerable to Use After Free leading to potential arbitrary code execution.
Mitigation
Users are advised to update to the latest version of After Effects to mitigate this vulnerability. Additionally, exercising caution when opening files from untrusted sources can help prevent exploitation.