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CVE-2026-11803: PDF File Parsing Vulnerabilities in Certain Autodesk Desktop Products

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-08-06 · updated 2026-10-23
• Weakness: CWE-125

Description

A maliciously crafted PDF file, when parsed through Autodesk Revit, can force an 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.

Affected products

• Autodesk Revit: from 2024 before 2024.3.6; from 2025 before 2025.4.6; from 2026 before 2026.5; from 2027 before 2027.2 — fixed in 2024.3.6, 2025.4.6, 2026.5, 2027.2

How to fix

Upgrade to a fixed version: Autodesk Revit 2024.3.6, 2025.4.6, 2026.5, 2027.2. Check the vendor advisory for mitigations.

References

• https://www.autodesk.com/products/autodesk-access/overview
• https://www.autodesk.com/trust/security-advisories/adsk-sa-2026-0011

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