What is CVE-2026-42834?

CVE-2026-42834 is a security advisory published by Microsoft Security Response Center (MSRC) with Elevation of Privilege severity. Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-42834 cover?

CVE-2026-42834 covers the following CVE IDs: CVE-2026-42834. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-42834?

CVE-2026-42834 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

CVE-2026-42834Elevation of PrivilegeCVSS 7.8

Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 22, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-42834 →

📋 Description

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