What is CVE-2026-23663?

CVE-2026-23663 is a high-severity vulnerability in Microsoft Global_secure_access, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2026-05-22.

How severe is CVE-2026-23663?

High severity. CVSS v3 base score is 7.5 out of 10.

Privilege escalation in Microsoft Global_secure_access

CVE-2026-23663

Improper privilege management in Azure Entra ID allows an unauthorized attacker to elevate privileges over a network.

Vulnerability class: Privilege Escalation

EPSS: 0.001 (26.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Microsoft Global_secure_access
Microsoft Global Secure Access (Gsa)

Weakness classification (CWE)

CWE-269 — Improper Privilege Management

References

secure@microsoft.com (vendor-advisory, patch, Vendor Advisory)

Frequently asked questions

What is CVE-2026-23663?: CVE-2026-23663 is a high-severity vulnerability in Microsoft Global_secure_access, classified under Improper Privilege Management. CVSS score: 7.5/10. Published 2026-05-22.
How severe is CVE-2026-23663?: High severity. CVSS v3 base score is 7.5 out of 10.