VulnerabilityAnalyzed
CVE-2026-50652
Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.
HIGH 7.5EPSS 1.73%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.73%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Deserialization of untrusted data in Azure Active Directory allows an unauthorized attacker to deny service over a network.
- CVSS 3.1
- 7.5 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- EPSS
- 1.73% probability · 76th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-502
- Affected
- microsoft/.net framework · microsoft/azure active directory
- Source
- secure@microsoft.com
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50652Vendor Advisory, Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.