CVE-2026-83938: Microsoft Azure Kubernetes Configuration Service (Critical, CVSS 10)
CVE-2026-83938CriticalMicrosoft Azure Kubernetes Configuration Service
- CVSS
- 10 Critical (v3.1)
- Exploited in the wild
- Not on CISA’s KEV list
- Public exploit
- None reported in public exploit databases
- Weakness
- CWE-306
- Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H- Published
- Oct 22, 2026
What it is
Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.
Description from the National Vulnerability Database.
What to do
Check whether you run Microsoft Azure Kubernetes Configuration Service, then apply the vendor’s fix or mitigation from the advisories below.
Sources: NVD, FIRST EPSS, CISA KEV, and public exploit databases (availability only). ThreatRoundup reports whether public exploit code exists but never links to it: fake proof-of-concepts that infect security researchers are common. This page updates automatically.