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CVE-2026-40411 (GCVE-0-2026-40411)

Vulnerability from cvelistv5 – Published: 2026-05-22 22:03 – Updated: 2026-08-10 15:12 Exclusively Hosted Service
VLAI
Title
Azure Virtual Network Gateway Remote Code Execution Vulnerability
Summary
Improper input validation in Azure Virtual Network Gateway allows an authorized attacker to execute code over a network.
Severity
9.9 (Critical)
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
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-05-26 10:36 UTC
CWE
  • CWE-20 - Improper Input Validation
Assigner
References
Impacted products
Vendor Product Version CPE status
Microsoft Azure Virtual Network Gateway Affected: -
    cpe:2.3:a:microsoft:azure_virtual_network_gateway:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-05-21 14:00
Show details on NVD website
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Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


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