CVE-2026-42834

highpriority · track · 0EPSS 0.004 · 35 %ileDEEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

0.41% (35th) EPSS

CVSS 7.8 · high

Is it mine?

5 products

Check your exposure

Who says so?

5 sources

cnnvd · enisa_euvd · cert_bund · msrc_csaf

EPSS · scored 2026-10-27

Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

remediations

Vendor fix, mitigation, or workaround guidance, as published by each source.

A vendor fix is available.

FixedWindows Admin Center in Azure Portalmsrc_csaf
0.72.0.0.:Security Update:https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/extension-release-notes
https://learn.microsoft.com/en-us/windows-server/manage/windows-admin-center/azure/extension-release-notes

cvss

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

7.8

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · ENISA EU

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:Hsecondary · secure@microsoft.com USexploitability 1.8 · impact 5.9

v3.17.1highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

v3.17.8highCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:Csecondary · Microsoft Security Response Center US

ssvc

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

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

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-59USCWE-59US

affected products (5)

Products and version ranges known to be affected.

Microsoft Windows Admin Center in Azure Portalall versionscert_bundDEcpe:/a:microsoft:windows_admin_center:in_azure_portal
Microsoft Windows Admin Center in Azure Portal1.0 → 0.72.0.0.enisa_euvdEU
Microsoft Windows Admin Center in Azure Portalall versionsfixedmsrc_csafUS
Microsoft Windows Admin Center in Azure Portal< 0.72.0.0.msrc_csafUS
microsoft windows admin center< 0.72.0.0nvdUScpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:*:*:*

advisories (2)

Vendor and ecosystem advisories describing this.

WID-SEC-W-2026-1602Microsoft Azure Portal Windows Admin Center: Schwachstelle ermöglicht Erlangen von AdministratorrechtenDeutsch2026-05-19csaf · cert_bundDE
Ein lokaler Angreifer kann eine Schwachstelle in Microsoft Azure Portal Windows Admin Center ausnutzen, um Administratorrechte zu erlangen.
msrc_CVE-2026-42834Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability2026-05-19csaf · msrc_csafUS
To determine the support lifecycle for your software, see the Microsoft Support Lifecycle: https://support.microsoft.com/lifecycle

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd cert_bund msrc_csaf nvd NVD CVE.org MITRE

published 2026-05-20modified 2026-07-23

references (3)

External citations — patches, advisories, analysis.

scry

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