CVE-2026-34642 After Effects | Heap-based Buffer Overflow (CWE-122)
Heap-based buffer overflow in Adobe After Effects allows arbitrary code execution if a user opens a malicious file.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-34642?
CVE-2026-34642 is a high-severity memory corruption vulnerability in Adobe After Effects, published on 12 May 2026. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
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.
Weakness: CWE-122
Which versions are affected by CVE-2026-34642?
It affects 1 product.
Products include Adobe After Effects.
How do I fix CVE-2026-34642?
No fix has been published for CVE-2026-34642 yet. Limit exposure of the affected software until one is available.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2026-34642 being exploited?
There is no known exploitation of CVE-2026-34642 in the wild and no public exploit code.
Other vulnerabilities in Adobe After Effects
- CVE-2020-3765 Memory corruption in Adobe After Effects
- CVE-2021-28586 Adobe After Effects PDF file parsing out-of-bounds write could lead to remote code execution vulnerability
- CVE-2021-28571 Adobe After Effects improper neutralization of special elements could lead to remote code execution
- CVE-2021-28570 Adobe After Effects uncontrolled search path element vulnerability could lead to remote code execution
- CVE-2026-48274 After Effects | Out-of-bounds Write (CWE-787)
Sources
Also known as GHSA-prfh-2953-xxp9.