EUVD-2026-28454
GHSA-j3m5-fchj-4gfr
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
Lifecycle Timeline
2DescriptionNVD
Improper access control in Azure AI Foundry M365 published agents allows an unauthorized attacker to elevate privileges over a network.
AnalysisAI
Confidentiality breach in Azure AI Foundry M365 published agents enables remote unauthenticated attackers to access high-value data through improper access control (CWE-284). The vulnerability affects agents published through M365 integration, allowing privilege escalation over the network with no authentication required and low attack complexity (CVSS:3.1 AV:N/AC:L/PR:N/UI:N). …
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RemediationAI
Within 24 hours: Identify all Azure AI Foundry agents published through M365 integration and temporarily restrict external access if operationally feasible. Within 7 days: Apply Microsoft's vendor-released patch to all affected Azure AI Foundry deployments per MSRC advisory and validate patch deployment. …
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