Improper access control in Fusion 360 - CVE-2026-10789
Published: June 24, 2026
Vulnerability identifier: #VU135122
CSH Severity: High
CVSS v4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-10789
CWE-ID: CWE-284
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary code.
The vulnerability exists due to improper access control in the MCP extension when processing a maliciously crafted webpage visited by a user while Autodesk Fusion Desktop is running. A remote attacker can cause the user to visit a maliciously crafted webpage to execute arbitrary code.
Exploitation requires the MCP extension to be enabled and user interaction is required.
Affected software
Fusion 360
How to mitigate CVE-2026-10789
Install security update from vendor's website.
Fusion 360 - update to 2703.1.20