CVE-2026-21322
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 read vulnerability when parsing a crafted file, which could result in a read past the end of an allocated memory structure. An attacker could leverage this vulnerability to execute code in the context of the current user. Exploitation of this issue requires user interaction in that a victim must open a malicious file.
Analysis
Out-of-bounds memory reads in Adobe After Effects 25.6 and earlier enable arbitrary code execution when users open specially crafted files. An attacker can exploit this parsing vulnerability by delivering a malicious file that triggers a read past allocated buffer boundaries, executing code with the privileges of the affected user. …
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Remediation
Within 24 hours: Identify and inventory all After Effects installations across the organization and restrict file intake from untrusted sources. Within 7 days: Disable After Effects where operationally feasible, implement mandatory user training on not opening suspicious project files, and enforce file scanning with updated threat detection. …
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External POC / Exploit Code
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