CVE-2026-50652: Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.

highCVSS 7.5CVE-2026-50652

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

Details

Source: NVD Recent CVEs (US · database · site)
Severity: high — CVSS 7.5
Published: 2026-07-14
Last updated: 2026-07-21
Exploitation: Not in CISA KEV at last sync

Original advisory: https://nvd.nist.gov/vuln/detail/CVE-2026-50652

Exploitation outlook

EPSS (FIRST.org) estimates each CVE’s probability of exploitation in the next 30 days — here is the CSIRTS.com read on those numbers.

Moderate exploitation riskCVE-2026-506521.1% 30-day exploitation probability. Patch within normal cadence, watch for KEV listing. Riskier than 64% of all scored CVEs.

Referenced CVEs

CVE	CSIRTS overview	External
CVE-2026-50652	coverage & exploitation status	NVD · CVE.org

Same CVEs, other sources

How other CERTs, PSIRTs and databases cover the vulnerabilities in this advisory.

high[NEW] [high] Microsoft Azure: Multiple vulnerabilitiescert-bund
unknownMultiple vulnerabilities in Microsoft Azure (July 15, 2026)cert-fr-avis
unknownNCSC-2026-0233 [1.00] [M/H] Vulnerabilities fixed in Microsoft Azurencsc-nl
highCVE-2026-50652: Azure Active Directory Denial of Service Vulnerabilitymsrc

Recent advisories for Deserialization of untrusted

A cluster of recent advisories against the same product widens the attack surface — attackers routinely chain freshly published CVEs on one product, so review these together.

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