CVE-2026-40411

highpriority · track · 35EPSS 0.005 · 44 %ileDEEURUUS
grimoire priorityP2 · Scheduled
Exploitable?
—
no known exploitation
Likely / severe?
0.53% (44th) EPSS
CVSS 8.8 · high
Is it mine?
5 products
Check your exposure
Who says so?
6 sources
cnnvd · enisa_euvd · fstec_bdu · cert_bund

EPSS · scored 2026-10-27

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

01

cvss

Technical severity, 0–10. One row per scoring source.

9.9
010

base score 0–10 · higher = more severe · hover a vector to decode⚠ sources disagree · high–critical · 8.1–9.9

v3.18.8highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USexploitability 2.8 · impact 5.9
v3.19.9criticalAV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU
v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU
v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 3.1 · impact 6
v3.18.1highCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)
v3.19.9criticalCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US
02

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS
03

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-20USCWE-20USCWE-20US
04

affected products (5)

Products and version ranges known to be affected.

05

advisories (2)

Vendor and ecosystem advisories describing this.

  • WID-SEC-W-2026-1649Microsoft Azure: Mehrere SchwachstellenDeutsch2026-05-21csaf · cert_bundDE

    Ein Angreifer kann mehrere Schwachstellen in Microsoft Azure und Microsoft Azure Stack ausnutzen, um Informationen offenzulegen, erweiterte Privilegien zu erlangen oder beliebigen Code auszuführen.

  • msrc_CVE-2026-40411Azure Virtual Network Gateway Remote Code Execution Vulnerability2026-05-21csaf · msrc_csafUS

    To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

06

also known as (4)

Other names and identifiers for this entity.

07

sources

Which sources assert this record, and when.

cnnvdenisa_euvdfstec_bducert_bundmsrc_csafnvdNVDCVE.orgMITRE
published 2026-05-22modified 2026-07-23
08

references (4)

External citations — patches, advisories, analysis.

scry

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