Product:
After Effects
Summary
After Effects versions 25.6 and earlier are affected by an out-of-bounds write 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-2026-21327 |
Exploitation
To exploit this vulnerability, an attacker must craft a malicious file that, when opened by the victim in After Effects, triggers the out-of-bounds write 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 versions 25.6 and earlier: Vulnerable to arbitrary code execution due to an out-of-bounds write issue.
Mitigation
Users are advised to update to the latest version of After Effects to mitigate this vulnerability. Additionally, exercising caution when opening files from unknown sources can help prevent exploitation.