CVE-2026-16463: Autodesk Advance Steel

High severity, CVSS 7.8. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

  • Autodesk Advance Steel: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Autocad: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Autocad Architecture: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Autocad Electrical: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Autocad Lt: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Autocad Map 3d: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Autocad Mechanical: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Autocad Mep: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Autocad Plant 3d: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Civil 3d: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only
  • Autodesk Dwg Trueview: from 2026, before 2026.1.2 (fixed in 2026.1.2); version 2027 only

Published 2026-07-29. Last modified 2026-09-02.