# CVE-2026-50652: Azure Active Directory Denial of Service Vulnerability

> CVE-2026-50652: Azure Active Directory Denial of Service Vulnerability. CVSS 7.5 (CVSS 3.1).

Canonical: https://rewindex.com/cve/CVE-2026-50652
Last updated: 2026-10-08T18:13:47Z

- Published: 2026-07-14 17:05 UTC · Updated: 2026-10-08 18:13 UTC · Assigner: microsoft
- CVSS: 7.5 (CVSS 3.1) · Severity: High · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C
- EPSS: 1.7%, 77th percentile (scored 2026-10-25)
- CISA KEV: no
- CWE: CWE-502

## Description

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

## Affected vendors and products

- Microsoft: Azure Active Directory
- Microsoft: Microsoft .NET Framework 3.5
- Microsoft: Microsoft .NET Framework 3.5 AND 4.7.2
- Microsoft: Microsoft .NET Framework 3.5 AND 4.8
- Microsoft: Microsoft .NET Framework 3.5 AND 4.8.1
- Microsoft: Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
- Microsoft: Microsoft .NET Framework 4.8
- Microsoft: Microsoft .NET Framework 4.8.1

## Tracked companies

- [Microsoft Azure](https://rewindex.com/company/azure.md)

## References

- [CVE record on cve.org](https://www.cve.org/CVERecord?id=CVE-2026-50652)
- [NVD entry](https://nvd.nist.gov/vuln/detail/CVE-2026-50652)
- [https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50652](https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50652)

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_Sources: CVE records from the CVE Program (cve.org). CVE® is a registered trademark of The MITRE Corporation. (https://www.cve.org/) This product uses data from the NVD API but is not endorsed or certified by the NVD. (https://nvd.nist.gov/) Known Exploited Vulnerabilities catalog from CISA. (https://www.cisa.gov/known-exploited-vulnerabilities-catalog) EPSS scores from FIRST (Exploit Prediction Scoring System). (https://www.first.org/epss/)_


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Canonical: https://rewindex.com/cve/CVE-2026-50652 · Markdown: https://rewindex.com/cve/CVE-2026-50652.md · JSON: https://rewindex.com/api/v1/cves/CVE-2026-50652 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-10-26T02:05:17.075Z