CVE-2026-34644 After Effects | Integer Overflow or Wraparound (CWE-190)

High 7.8 Published Updated

An integer 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-2026-34644?

CVE-2026-34644 is a high-severity 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 an Integer Overflow or Wraparound 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-190

Which versions are affected by CVE-2026-34644?

It affects 1 product.

Products include Adobe After Effects.

How do I fix CVE-2026-34644?

No fix has been published for CVE-2026-34644 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-34644 being exploited?

There is no known exploitation of CVE-2026-34644 in the wild and no public exploit code.

All Adobe After Effects vulnerabilities

Sources

Also known as GHSA-h9wf-3mw4-4mx9.

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