What is CVE-2026-11803?

CVE-2026-11803 is a high-severity vulnerability in Autodesk Autocad, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-08-06.

How severe is CVE-2026-11803?

High severity. CVSS v3 base score is 7.8 out of 10.

Out-of-bounds Read in Autodesk Autocad

CVE-2026-11803

A maliciously crafted PDF file, when parsed through certain Autodesk products, can force a Out-of-Bounds Read 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: 0.001 (3.8th 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 Autocad
Autodesk Autocad Lt
Autodesk Revit — versions 2027.0.0, 2026.0.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

References

psirt@autodesk.com (Product, patch)
psirt@autodesk.com (vendor-advisory, Vendor Advisory)

Frequently asked questions

What is CVE-2026-11803?: CVE-2026-11803 is a high-severity vulnerability in Autodesk Autocad, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2026-08-06.
How severe is CVE-2026-11803?: High severity. CVSS v3 base score is 7.8 out of 10.