Vulnerability · Published Oct 22, 2026 · Assigned by microsoft
CVE-2026-83938Azure Kubernetes Configuration Service Elevation of Privilege Vulnerability
Critical 10.0
In plain English
A critical-severity missing authentication in Azure Kubernetes Configuration 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 0.7% (higher than 54% of all known vulnerabilities).
Severity (CVSS 3.1)10.0Critical
Exploit odds (30 days)0.7%top 46.4% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official description
Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| Microsoft | Azure Kubernetes Configuration 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
- Azure Kubernetes Configuration Service Elevation of Privilege Vulnerability vendor-advisory, patch