PT-2026-42843 · Microsoft · Azure Virtual Network Gateway

Shay Shavit · Published 2026-05-22 · Updated 2026-05-23 · CVE-2026-40411

Positive Technologies (AI Summary)

CVSS v3.1

9.9

Critical

Base vector

AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions Azure Virtual Network Gateway (affected versions not specified)

Description Improper input validation allows an authorized attacker to execute code over a network.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Weakness Enumeration

CWE-20

Related Identifiers

CVE-2026-40411

Affected Products

Azure Virtual Network Gateway

References · 4

• https://nvd.nist.gov/vuln/detail/CVE-2026-40411 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40411 · Vendor Advisory
• https://twitter.com/CVEnew/status/2058155767891689608 · Twitter Post
• https://t.me/CVEtracker/54685 · Telegram Post