CVE-2026-85889

critical

Description

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

References

Advisories
References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-85889

https://thehackernews.com/2026/09/microsoft-patches-cvss-100-azure-ai.html

Details

Source: Mitre, NVD

Published: 2026-09-17

Updated: 2026-09-19

Risk Information

CVSS v2

Base Score: 10

Vector: CVSS2#AV:N/AC:L/Au:N/C:C/I:C/A:C

Severity: Critical

CVSS v3

Base Score: 10

Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

Severity: Critical

EPSS

EPSS: 0.00494