---
id: CVE-2026-85217
title: Man-in-the-Middle (MITM) Vulnerability in Autodesk Fusion Desktop
summary: >-
  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…
severity: high
cvss: 8.6
cvssVector: 'CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-15
vendor: Autodesk
product: Fusion
affected:
  - Fusion >= 2705.0.0 < 2705.1.11
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: total
  timestamp: '2026-09-10T00:00:00+00:00'
published: '2026-09-10'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T03:56:43.080Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-85217'
references:
  - url: 'https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0016'
  - url: >-
      https://dl.appstreaming.autodesk.com/production/installers/Fusion%20Client%20Downloader.exe
tags:
  - cve.org
epss: 0.00187
epssPercentile: 0.0737
ingestedAt: '2026-09-11T16:45:47.925Z'
---

## Overview

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.

## Affected

- `Fusion >= 2705.0.0 < 2705.1.11`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.