EUVD-2026-29655
GHSA-xq38-4286-vwhm
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
Lifecycle Timeline
2DescriptionNVD
Exposure of sensitive information to an unauthorized actor in Azure Entra ID allows an unauthorized attacker to perform spoofing over a network.
AnalysisAI
Spoofing vulnerability in Microsoft Azure Entra ID (formerly Azure Active Directory) enables remote unauthenticated attackers to obtain sensitive authentication information via network-based attacks requiring user interaction. The vulnerability affects Microsoft Enterprise Security Token Service (ESTS), the authentication backbone of Azure Entra ID, with scope change indicating potential cross-domain impact. …
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RemediationAI
Within 24 hours: Verify current Azure Entra ID deployment version and check MSRC advisory for applicable patch versions. Within 7 days: Apply Microsoft-released patch to all Azure Entra ID instances and ESTS components; test patch deployment in non-production environment first. …
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