Vulnerability · Published Jul 24, 2026 · Assigned by microsoft
CVE-2026-56163Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability
Critical 10.0
In plain English
A critical-severity missing authentication in Azure Kubernetes Service from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.9%top 40.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing authentication for critical function in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Kubernetes Service | - |
Weakness: CWE-306 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
References
- Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability vendor-advisory, patch