Use After Free in Autodesk 3ds Max
CVE-2025-6636
A maliciously crafted PRT file, when parsed through certain Autodesk products, can force a Use-After-Free vulnerability. A malicious actor can leverage this vulnerability to cause a crash, read sensitive data, or execute arbitrary code in the context of the current process.
Vulnerability class: Use-After-Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.002 (4.7th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 5th percentile — 4.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: -0.000
Affected products
- Autodesk 3ds Max — versions 2026
- Autodesk Advance Steel — versions 2026
- Autodesk Autocad — versions 2026
- Autodesk Autocad Architecture — versions 2026
- Autodesk Autocad Electrical — versions 2026
- Autodesk Autocad Map 3d — versions 2026
- Autodesk Autocad Mechanical — versions 2026
- Autodesk Autocad Mep — versions 2026
- Autodesk Autocad Plant 3d — versions 2026
- Autodesk Civil 3d — versions 2026
Weakness classification (CWE)
Public proof-of-concept exploits
References
- www.autodesk.com/products/autodesk-access/overview (patch)
- www.autodesk.com/trust/security-advisories/adsk-sa-2025-0015 (vendor-advisory, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-6636?
- CVE-2025-6636 is a high-severity vulnerability in Autodesk 3ds Max, classified under Use After Free. CVSS score: 7.8/10. Published 2025-07-29.
- How severe is CVE-2025-6636?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2025-6636 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.