CVE-2026-40411CWE-20

Azure Virtual Network Gateway Remote Code Execution Vulnerability

Critical · published May 22, 2026

CVSS v3.1
9.9
EPSS
1%
Percentile
61.1
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
9.9 · CRITICAL
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
CVSS v4.0
Not supplied
EPSS
0.00958 · 61.1th percentile
Weakness
CWE-20 · Improper Input Validation
Published
2026-05-22T22:03Z
EPSS history
Timeline
  • 22 MAY 22:03Z
    Azure Virtual Network Gateway Remote Code Execution Vulnerability
    cvelistv5