CVE-2026-11803

Analyzed Analyzed - Analysis Complete

Out-of-Bounds Read in Autodesk Revit via Malicious PDF

Publication date: 2026-08-06

Last updated on: 2026-09-04

Assigner: Autodesk

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.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-08-06

Last Modified

2026-09-04

Generated

2026-09-16

AI Q&A

2026-08-07

EPSS Evaluated

2026-09-15

NVD

CVE-2026-11803

Affected Vendors & Products

Vendor	Product	Version / Range
autodesk	revit	From 2024 (inc) to 2024.3.6 (exc)
autodesk	revit	From 2025 (inc) to 2025.4.6 (exc)
autodesk	revit	From 2026 (inc) to 2026.5 (exc)
autodesk	revit	From 2027 (inc) to 2027.2 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-125	The product reads data past the end, or before the beginning, of the intended buffer.

Attack-Flow Graph

Executive Summary

This vulnerability involves a maliciously crafted PDF file that, when processed by Autodesk Revit, triggers an Out-of-Bounds Read. This flaw allows an attacker to potentially crash the application, access sensitive data, or execute arbitrary code within the current process.

Detection Guidance

Detecting this vulnerability requires inspecting PDF files processed by Autodesk Revit for malformed content. Monitor Revit logs for crashes or errors when opening PDFs. Use file integrity tools to check for unexpected modifications in Revit executables or libraries.

Impact Analysis

If exploited, this vulnerability could lead to application crashes, unauthorized access to sensitive data, or execution of malicious code on your system. This may result in data breaches, system compromise, or disruption of services.

Compliance Impact

This vulnerability could potentially lead to unauthorized access to sensitive data, which may violate compliance requirements under GDPR and HIPAA. A successful exploit could allow attackers to read sensitive information or execute arbitrary code, posing risks to data confidentiality and integrity.

Mitigation Strategies

Update Autodesk Revit to the latest patched version immediately to address the Out-of-Bounds Read vulnerability. Avoid opening untrusted PDF files in Revit until the update is applied.

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