CVE-2026-56163 CRITICAL

CVE-2026-56163: Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability

Vendor Microsoft

Product Azure Kubernetes Service

Weakness CWE-306 · Missing auth

Published July 24, 2026

Last update July 24, 2026

View on NVD All CVEs

CVSS base score

10.0/10

Attack vector Network

Attack complexity Low

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS 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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

July 24, 2026 CVE published

July 24, 2026 Record updated

External resources

03References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-56163 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/306.html AskarLabs — CWE-306 write-up Missing Authentication for Critical Function

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