CVE-2026-42834

Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

Published May 20, 2026 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed
Description
Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Description Improper link resolution before file access ('link following') in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally. Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.
Type Values Removed Values Added
First Time appeared Microsoft windows Admin Center
CPEs cpe:2.3:a:microsoft:windows_admin_center:*:*:*:*:*:azure:*:*
Vendors & Products Microsoft windows Admin Center
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Improper link resolution before file access ('link following') in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.
Title Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
First Time appeared Microsoft
Microsoft azure Portal Windows Admin Center
Weaknesses CWE-59
CPEs cpe:2.3:a:microsoft:azure_portal_windows_admin_center:*:*:*:*:*:*:*:*
Vendors & Products Microsoft
Microsoft azure Portal Windows Admin Center
References
Metrics cvssV3_1

{'score': 7.8, 'vector': 'CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Aug 10, 2026, 3:13 PM
Reserved
Apr 30, 2026, 2:51 PM
Status
Modified
Published
May 20, 2026, 1:16 PM
Modified
Jul 23, 2026, 12:10 PM