What is CVE-2026-23660?

CVE-2026-23660 is a security advisory published by Microsoft Security Response Center (MSRC) with High severity. Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

Which CVE IDs does CVE-2026-23660 cover?

CVE-2026-23660 covers the following CVE IDs: CVE-2026-23660. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of CVE-2026-23660?

CVE-2026-23660 has a CVSS v3 base score of 7.8, published by Microsoft Security Response Center (MSRC).

Which products are affected by CVE-2026-23660?

CVE-2026-23660 affects 1 product, including: Windows Admin Center in Azure Portal.

CVE-2026-23660HighCVSS 7.8

Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability

Vendor

Microsoft Security Response Center (MSRC)

Published

May 31, 2026

Last Modified

—

🔗 CVE IDs covered (1)

CVE-2026-23660 →

📋 Description

Improper access control in Azure Portal Windows Admin Center allows an authorized attacker to elevate privileges locally.

🎯 Affected products1

Windows Admin Center in Azure Portal

✅ Remediation

KBRelease Notes (Security Update) — fixed build 2.6.4

🔗 References (3)

advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23660
patchhttps://learn.microsoft.com/en-us/azure/virtual-machines/extensions/overview
referencehttps://aka.ms/wac2511