CVE-2026-85889 Azure AI Foundry Elevation of Privilege Vulnerability
An unauthorized attacker can elevate privileges in Azure AI Foundry due to missing authentication on a critical function.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-85889?
CVE-2026-85889 is a critical missing authorization vulnerability in Microsoft Azure AI Foundry, published on 17 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing authentication for critical function in Azure AI Foundry allows an unauthorized attacker to elevate privileges over a network.
Weakness: CWE-306
Which versions are affected by CVE-2026-85889?
It affects 1 product.
Products include Microsoft Azure Ai Foundry.
How do I fix CVE-2026-85889?
No fix has been published for CVE-2026-85889 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-85889 being exploited?
There is no known exploitation of CVE-2026-85889 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure AI Foundry
Sources
Also known as GHSA-4q27-2gv2-3vm4.