CVE-2026-16783 ABC File Parsing Out-of-Bounds Write Vulnerability in Autodesk 3ds Max

High 7.8 Published 24 Aug 2026 Updated 26 Aug 2026

Attackers can execute arbitrary code or cause crashes by tricking users into opening malicious ABC files in Autodesk 3ds Max.

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-2026-16783?

CVE-2026-16783 is a high-severity memory corruption vulnerability in Autodesk 3ds Max, published on 24 Aug 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

A maliciously crafted ABC file, when parsed through Autodesk 3ds Max, can force an Out-of-Bounds Write vulnerability. A malicious actor may leverage this vulnerability to cause a crash, cause data corruption, or execute arbitrary code in the context of the current process.

Weakness: CWE-787

Which versions are affected by CVE-2026-16783?

It affects 1 product.

Products include Autodesk 3ds Max.

How do I fix CVE-2026-16783?

No fix has been published for CVE-2026-16783 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-2026-16783 being exploited?

There is no known exploitation of CVE-2026-16783 in the wild and no public exploit code.

Sources

Also known as GHSA-55c9-7c64-6xrp.