Microsoft Patches CVSS 10.0 Azure AI Foundry Flaw Enabling Unauthorized Privilege Escalation

Microsoft has released fixes for a maximum-severity security flaw in Azure AI Foundry that could be exploited to achieve privilege escalation. No customer action is required.

The vulnerability, tracked as CVE-2026-85889, carries a CVSS score of 10.0.

“Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network,”