After Effects Heap Overflow (v26.0, v25.6.4) Arbitrary Code Exec
CVE-2026-34642 Published on May 12, 2026
After Effects | Heap-based Buffer Overflow (CWE-122)
After Effects versions 26.0, 25.6.4 and earlier are affected by a Heap-based Buffer Overflow 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.
Vulnerability Analysis
CVE-2026-34642 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to be very high.
Weakness Type
Heap-based Buffer Overflow
A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().
Products Associated with CVE-2026-34642
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Affected Versions
Adobe After Effects:- Before and including 25.6.4 is affected.