Is CVE-2026-50652 exploited in the wild?

No. Junglewise Threat Intelligence has no report of CVE-2026-50652 being exploited in the wild.

How severe is CVE-2026-50652?

High severity, with a CVSS score of 7.5, published 14 July 2026.

Which products and versions are affected?

Microsoft Azure Active Directory 2021 versions prior to 5.7.1.

Is there a fix for CVE-2026-50652?

No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.

How is CVE-2026-50652 attacked?

It is attacked over the network, in a hosted service.

Am I affected by CVE-2026-50652?

Check whether you run Microsoft Azure Active Directory at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

CVE-2026-50652: Microsoft Azure Active Directory deserialization denial of service

CVE-2026-50652 · Severity: high · CVSS 7.5 · Published 2026-07-14

A security vulnerability in Microsoft Azure Active Directory could allow an attacker to disrupt the service remotely. Azure Active Directory is a critical identity management service used by organizations to manage user logins and access to applications. An exploit could result in a denial-of-service, preventing legitimate users from accessing corporate resources and interrupting business operations.

Technologies: Microsoft Azure Active Directory. Vendors: Microsoft.

Quick answers

Is CVE-2026-50652 exploited in the wild?: No. Junglewise Threat Intelligence has no report of CVE-2026-50652 being exploited in the wild.
How severe is CVE-2026-50652?: High severity, with a CVSS score of 7.5, published 14 July 2026.
Which products and versions are affected?: Microsoft Azure Active Directory 2021 versions prior to 5.7.1.
Is there a fix for CVE-2026-50652?: No fixed version is recorded yet. Check the vendor's advisory in the references below. If you run it, Junglewise drafts a mitigation that fits your setup and applies it once you approve, with senior security engineers behind it.
How is CVE-2026-50652 attacked?: It is attacked over the network, in a hosted service.
Am I affected by CVE-2026-50652?: Check whether you run Microsoft Azure Active Directory at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

Technical details

A deserialization vulnerability (CWE-502) exists in Microsoft Azure Active Directory. The flaw stems from the service improperly processing untrusted data, which can be exploited by an unauthenticated attacker over the network. By sending a specially crafted request, an attacker can trigger a denial-of-service (DoS) condition, impacting the availability of the identity service. The vulnerability is addressed in version 5.7.1 of the affected component.

Affected products

Microsoft Azure Active Directory 2021 versions prior to 5.7.1

Timeline

2026-07-14: disclosed
2026-07-14: advisory

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50652

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