Critical severity · published Jun 22, 2026
CVE-2026-10789
MCP Extension Code Injection Vulnerability in Autodesk Fusion Desktop
9.6
CVSS
0.7%
EPSS
No
On KEV
Description
A maliciously crafted webpage, when visited by a user with Autodesk Fusion Desktop running and the MCP extension enabled, can trigger a vulnerability in the MCP extension that could allow arbitrary code execution. A successful exploit may allow code to execute with the privileges of the current user.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.7% · higher than 53% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FU
Fusion · Autodesk
2703.1.11 before 2703.1.20 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-10789
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-10789
Product
https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.dmg
Product
https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.exe
Vendor Advisory
https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0008
More from Fusion
8.7
CVE-2025-10244
A maliciously crafted HTML payload, when rendered by the Autodesk Fusion desktop application, can trigger a Stored Cross-site Scripting (XSS) vulnerability
8.6
CVE-2026-85217
Man-in-the-Middle (MITM) Vulnerability in Autodesk Fusion Desktop
8.1
CVE-2026-0535
Stored XSS in Electronic Library Component Description
8.1
CVE-2026-0534
Stored XSS in the value of a part attribute
8.1
CVE-2026-0533
Stored XSS in Fusion desktop when attempting to delete a file