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Description

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

PUBLISHED Reserved 2026-04-13 | Published 2026-05-22 | Updated 2026-06-05 | Assigner microsoft




CRITICAL: 9.9CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C

Problem types

CWE-20: Improper Input Validation

Product status

-
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40411 (Azure Virtual Network Gateway Remote Code Execution Vulnerability) vendor-advisory patch

cve.org (CVE-2026-40411)

nvd.nist.gov (CVE-2026-40411)

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