What is CVE-2026-23660?

CVE-2026-23660 is a high-severity vulnerability in Microsoft Windows Admin Center In Azure Portal, classified under Improper Access Control. CVSS score: 7.8/10. Published 2026-03-10.

How severe is CVE-2026-23660?

High severity. CVSS v3 base score is 7.8 out of 10.

Vulnerability in Microsoft Windows Admin Center In Azure Portal

CVE-2026-23660

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

EPSS: 0.001 (19.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). 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.

Affected products

Microsoft Windows Admin Center In Azure Portal — versions 1.0

Weakness classification (CWE)

CWE-284 — Improper Access Control

References

Windows Admin Center in Azure Portal Elevation of Privilege Vulnerability (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-23660?: CVE-2026-23660 is a high-severity vulnerability in Microsoft Windows Admin Center In Azure Portal, classified under Improper Access Control. CVSS score: 7.8/10. Published 2026-03-10.
How severe is CVE-2026-23660?: High severity. CVSS v3 base score is 7.8 out of 10.