Use-after-free in Autodesk products - CVE-2025-6636

Vulnerability identifier: #VU113725

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-2025-6636

CWE-ID: CWE-416

Exploitation vector: Remote access

Exploit availability: No public exploit available

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to a use-after-free error when handling PRT files. A remote attacker can trick the victim into opening a specially crafted PRT file and execute arbitrary code on the system.

Successful exploitation of the vulnerability may allow an attacker to compromise vulnerable system.

AutoCAD Map 3D
Revit
Autodesk Civil 3D
Advance Steel
AutoCAD Plant 3D
AutoCAD MEP
AutoCAD Mechanical
AutoCAD Architecture
AutoCAD Electrical
Autodesk Inventor
Autodesk Infraworks
Autodesk 3ds Max
Autodesk AutoCAD

Install updates from vendor's website.

AutoCAD Map 3D - update to 2026.3
Revit - update to 2026.3
Autodesk Inventor - update to 2026.3
Autodesk Infraworks - update to 2026.3
Autodesk Civil 3D - update to 2026.3
Autodesk 3ds Max - update to 2026.3
Advance Steel - update to 2026.3
AutoCAD Plant 3D - update to 2026.3
AutoCAD MEP - update to 2026.3
AutoCAD Mechanical - update to 2026.3
AutoCAD Architecture - update to 2026.3
AutoCAD Electrical - update to 2026.3
Autodesk AutoCAD - update to 2026.3

• https://www.autodesk.com/trust/security-advisories/adsk-sa-2025-0015

• Multiple vulnerabilities in Autodesk products