CVE-2026-56163 Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
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-2026-56163?
CVE-2026-56163 is a critical missing authorization vulnerability in Microsoft Azure Kubernetes Service, published on 24 Jul 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 Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over a network.
Weakness: CWE-306
Which versions are affected by CVE-2026-56163?
It affects 1 product.
Products include Microsoft Azure Kubernetes Service.
How do I fix CVE-2026-56163?
No fix has been published for CVE-2026-56163 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-2026-56163 being exploited?
There is no known exploitation of CVE-2026-56163 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Azure Kubernetes Service
- CVE-2026-33105 Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
- CVE-2026-50516 Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
- CVE-2024-21376 Microsoft Azure Kubernetes Service Confidential Container Remote Code Execution Vulnerability
- CVE-2024-21403 Microsoft Azure Kubernetes Service Confidential Container Elevation of Privilege Vulnerability
- CVE-2026-32193 Azure Kubernetes Service (AKS) Remote Code Execution Vulnerability
Sources
Also known as GHSA-2j44-cf99-2fgr.