CVE-2026-40411

Azure Virtual Network Gateway Remote Code Execution Vulnerability

Published May 22, 2026 CVSS 3.1 · 9.9 Critical EPSS < 1% KEV · Not listed
Description
Improper input validation in Azure Virtual Network Gateway allows an authorized attacker to execute code over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:a:microsoft:azure_virtual_network_gateway:-:*:*:*:*:*:*:*
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper input validation in Azure Virtual Network Gateway allows an authorized attacker to execute code over a network.
Title Azure Virtual Network Gateway Remote Code Execution Vulnerability
First Time appeared Microsoft
Microsoft azure Virtual Network Gateway
Weaknesses CWE-20
CPEs cpe:2.3:a:microsoft:azure_virtual_network_gateway:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft azure Virtual Network Gateway
References
Metrics cvssV3_1

{'score': 9.9, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 10, 2026, 3:12 PM
Reserved
Apr 13, 2026, 12:27 AM
Status
Analyzed
Published
May 22, 2026, 11:16 PM
Modified
Jul 23, 2026, 11:10 AM