Unauthorized Access Vulnerability in Microsoft Azure Kubernetes Service
CVE-2026-56163

10CRITICAL

Key Information:

Vendor

Microsoft
Status
Azure Kubernetes Service
Vendor
CVE Published:
24 July 2026

What is CVE-2026-56163?

A critical security vulnerability in Microsoft Azure Kubernetes Service has been identified where missing authentication for important functions permits unauthorized attackers to gain elevated privileges over a network. This flaw poses significant security risks and requires immediate attention to mitigate potential threats. The vulnerability forms a gateway for attackers to exploit weaknesses, emphasizing the importance of robust authentication mechanisms in cloud services.

Affected Version(s)

Azure Kubernetes Service -

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisorypatch

CVSS V3.1

Score:
10
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.