CVE-2026-85217 Man-in-the-Middle (MITM) Vulnerability in Autodesk Fusion Desktop

High 8.6 Published Updated

A malicious add-in can silently modify network proxy settings in Autodesk Fusion, enabling man-in-the-middle attacks and data exposure.

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-2026-85217?

CVE-2026-85217 is a high-severity vulnerability in Autodesk Fusion, published on 10 Sep 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 add-in, when installed and executed in Autodesk Fusion Desktop, can modify persistent network proxy settings without user notification or consent. A successful exploit may allow an attacker to redirect authenticated Fusion network traffic through an attacker-controlled proxy, potentially exposing sensitive information with the current user.

Weakness: CWE-15

Which versions are affected by CVE-2026-85217?

How do I fix CVE-2026-85217?

No fix has been published for CVE-2026-85217 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-85217 being exploited?

There is no known exploitation of CVE-2026-85217 in the wild and no public exploit code.

Sources

Also known as GHSA-637g-92jv-5383.

Is CVE-2026-85217 in your software?

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