What’s Vulnerable › Vulnerabilities

CVE-2026-83938: Azure Kubernetes Configuration Service Elevation of Privilege Vulnerability

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-10-22 · updated 2026-10-31
• Weakness: CWE-306

Description

Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.

Affected products

• Microsoft Azure Kubernetes Configuration Service: all versions

In the news

• CVE-2026-83938 Azure Kubernetes Configuration Service Elevation of Privilege Vulnerability

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83938

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