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-2026-21326 |
Exploitation
To exploit this vulnerability, an attacker must craft a malicious file that, when opened by the victim using an affected version of After Effects, triggers the Use After Free condition. This allows the attacker to execute arbitrary code within the context of the current user, potentially leading to unauthorized access or control over the user’s system.
Affected Products
- After Effects 25.6 and earlier: Vulnerable to Use After Free, requiring user interaction to exploit.
Mitigation
Users are advised to update to the latest version of After Effects to mitigate this vulnerability. Additionally, avoid opening files from untrusted sources to reduce the risk of exploitation.