May 2026: Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
CVE-2026-42834 Published on May 20, 2026

Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability
Improper access control in Windows Admin Center allows an authorized attacker to elevate privileges over a network.

Vendor Advisory NVD

Weakness Type

What is an insecure temporary file Vulnerability?

The software attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource.

CVE-2026-42834 has been classified to as an insecure temporary file vulnerability or weakness.


Products Associated with CVE-2026-42834

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Affected Versions

Microsoft Windows Admin Center in Azure Portal:

Exploit Probability

EPSS
0.40%
Percentile
31.16%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.