What is CVE-2026-50652?

CVE-2026-50652 is a high-severity vulnerability in Microsoft Azure Active Directory, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-07-14.

How severe is CVE-2026-50652?

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

Deserialization in Microsoft Azure Active Directory

CVE-2026-50652

Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.

Vulnerability class: Insecure Deserialization

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:N/I:N/A:H.

Affected products

Microsoft Azure Active Directory — versions 2021

Weakness classification (CWE)

CWE-502 — Deserialization of Untrusted Data

References

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

Frequently asked questions

What is CVE-2026-50652?: CVE-2026-50652 is a high-severity vulnerability in Microsoft Azure Active Directory, classified under Deserialization of Untrusted Data. CVSS score: 7.5/10. Published 2026-07-14.
How severe is CVE-2026-50652?: High severity. CVSS v3 base score is 7.5 out of 10.