What is CVE-2026-40411?

CVE-2026-40411 is a security advisory published by Microsoft Security Response Center (MSRC) with Critical severity. Azure Virtual Network Gateway Remote Code Execution Vulnerability

Which CVE IDs does CVE-2026-40411 cover?

CVE-2026-40411 covers the following CVE IDs: CVE-2026-40411. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-40411?

CVE-2026-40411 has a CVSS v3 base score of 9.9, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-40411?

CVE-2026-40411 affects 1 product, including: Azure Virtual Network Gateway.

CVE-2026-40411CriticalCVSS 9.9

Azure Virtual Network Gateway Remote Code Execution Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

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🔗 CVE IDs covered (1)

CVE-2026-40411 →

📋 Description

Improper input validation in Azure Virtual Network Gateway allows an authorized attacker to execute code over a network.

🎯 Affected products1

Azure Virtual Network Gateway

🔗 References (1)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40411