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

Quick assessment

Affected
Microsoft Azure Kubernetes Configuration Service
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Azure Kubernetes 配置服务中关键功能缺少身份验证，使得未授权攻击者能够通过网络提升权限。

CVSS 10.0 · Critical
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I. Basic Information for CVE-2026-83938

Vulnerability Information
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Vulnerability Title
Azure Kubernetes Configuration Service Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Missing authentication for critical function in Azure Kubernetes Configuration Service allows an unauthorized attacker to elevate privileges over a network.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
关键功能的认证机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Azure Kubernetes Configuration Service - -

II. Public POCs for CVE-2026-83938

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III. Intelligence Information for CVE-2026-83938

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Other References for CVE-2026-83938 (1)

Same Patch Batch · Microsoft · 2026-10-22 · 6 CVEs total

CVE-2026-110063 10.0 CRITICAL VM Inspector for Azure Virtual Machines Elevation of Privilege Vulnerability
CVE-2026-97785 10.0 CRITICAL AAD App Proxy Elevation of Privilege Vulnerability
CVE-2026-105014 9.1 CRITICAL Azure Pipelines Remote Code Execution Vulnerability
CVE-2026-108456 7.7 HIGH Azure AI Foundry Elevation of Privilege Vulnerability
CVE-2026-96185 7.5 HIGH Microsoft Exchange Online Remote Code Execution Vulnerability

IV. Related Vulnerabilities

Same vendor: Microsoft
Same weakness: CWE-306

V. Comments for CVE-2026-83938

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