CVE-2026-21327
HIGHCVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Lifecycle Timeline
2Description
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.
Analysis
Arbitrary code execution in Adobe After Effects 25.6 and earlier through out-of-bounds write vulnerability (CWE-787) when processing malicious files. An attacker can execute code with user privileges by convincing a victim to open a specially crafted file, with no patch currently available.
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Remediation
Within 24 hours: inventory all After Effects installations and identify version numbers; communicate vulnerability to affected users with guidance to avoid opening files from untrusted sources. Within 7 days: disable After Effects where possible pending patch availability; restrict file sharing and implement additional email filtering for After Effects project files. …
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External POC / Exploit Code
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