CVE-2026-50516 Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability

Critical 9.4 Published 11 Aug 2026 Updated 28 Oct 2026

An unauthorized attacker can elevate privileges in Azure Kubernetes Service 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-2026-50516?

CVE-2026-50516 is a critical missing authorization vulnerability in Microsoft Azure Kubernetes Service, published on 11 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Incorrect authorization in Microsoft Azure Kubernetes Service allows an authorized attacker to elevate privileges over a network.

Weakness: CWE-306

Which versions are affected by CVE-2026-50516?

It affects 1 product.

Products include Microsoft Azure Kubernetes Service.

How do I fix CVE-2026-50516?

No fix has been published for CVE-2026-50516 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-2026-50516 being exploited?

There is no known exploitation of CVE-2026-50516 in the wild and no public exploit code.

Sources

Also known as GHSA-pq49-h7qm-894f.