Buffer overflow in Autodesk Advance Steel
CVE-2026-16463
A maliciously crafted DXF file, when parsed through Autodesk AutoCAD, can force a Heap-Based Overflow 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: Buffer Overflow
EPSS: 0.002 (8.7th percentile) — read the EPSS interpretation.
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.
Affected products
- Autodesk Advance_steel — versions 2027
- Autodesk Autocad — versions 2026.0.0, 2027.0.0, 2027
- Autodesk Autocad_architecture — versions 2027
- Autodesk Autocad_electrical — versions 2027
- Autodesk Autocad Lt — versions 2026.0.0, 2027.0.0
- Autodesk Autocad_lt — versions 2027
- Autodesk Autocad_map_3d — versions 2027
- Autodesk Autocad_mechanical — versions 2027
- Autodesk Autocad_mep — versions 2027
- Autodesk Autocad_plant_3d — versions 2027
Weakness classification (CWE)
References
- psirt@autodesk.com (vendor-advisory, Vendor Advisory)
- psirt@autodesk.com (Product, patch)
- psirt@autodesk.com (Product, patch)
Frequently asked questions
- What is CVE-2026-16463?
- CVE-2026-16463 is a high-severity vulnerability in Autodesk Advance Steel, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-07-29.
- How severe is CVE-2026-16463?
- High severity. CVSS v3 base score is 7.8 out of 10.