CVE-2026-42834

HIGH

Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

Title source: cna
STIX 2.1

Description

Improper link resolution before file access ('link following') in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-42834

Scores

CVSS v3 7.8
EPSS 0.0003
EPSS Percentile 7.9%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-59
Status published
Products (2)
Microsoft/Windows Admin Center in Azure Portal 1.0 - 0.72.0.0.
microsoft/windows_admin_center < 0.72.0.0
Published May 20, 2026
Tracked Since May 20, 2026