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-2026-21320 |
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 be delivered through various means such as email attachments or downloads from untrusted sources.
Affected Products
- After Effects 25.6 and earlier: Vulnerable to arbitrary code execution due to a Use After Free vulnerability requiring user interaction.
Mitigation
To mitigate this vulnerability, users should avoid opening files from untrusted sources and ensure they are using the latest version of After Effects. Adobe may also provide patches or updates to address this issue, so keeping software up to date is essential.