CVE-2026-56163

⛔ critical

Summary

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

CVSS Score

10.0

Critical

EPSS Score

0.9

Exploit Probability

Published Date

2026-07-24

First Seen: 2026-07-31

📊 Relative Risk Intelligence

This CVE is Extremely High Risk - more severe than 100.0% of all 340,620 vulnerabilities in our database.

Top 5% most severe

Severity Percentile

🎯 CISA SSVC Assessment Updated: Jul 24, 2026

🔍 Exploitation Status

None

No known exploits

⚙️ Automatable

YES

Can be exploited automatically

💥 Technical Impact

Total

Complete system compromise possible

SSVC data provided by CISA

Last Modified 2026-07-29

Source NVD 🔗

CVSS Vector 3.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CWE IDs (Weakness Types)

CWE-306

📦 Affected Products 1

Vendor	Product	Status	Affected Versions
microsoft	azure_kubernetes_service	Affected	v-

🔗 References 1

https://msrc.microsoft.com/update-guide/vulnerabilit...

Vendor Advisory

🔗 Related CVEs 6

CVE ID	Severity	CVSS	EPSS	Summary	Published
CVE-2026-32193	⚠️ high	8.8	0.3	Improper limitation of a pathname to a restricted directory ('path traversal') in Microsoft Azure Kubernetes Service all...	2026-06-09
CVE-2026-33105	⛔ critical	10.0	0.7	Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over ...	2026-04-03
CVE-2024-21376	⛔ critical	9.0	0.3	Microsoft Azure Kubernetes Service Confidential Container Remote Code Execution Vulnerability	2024-02-13
CVE-2024-21403	⛔ critical	9.0	1.0	Microsoft Azure Kubernetes Service Confidential Container Elevation of Privilege Vulnerability	2024-02-13
CVE-2023-44487	⚠️ high	7.5	94.4	The HTTP/2 protocol allows a denial of service (server resource consumption) because request cancellation can reset many...	2023-10-10
CVE-2023-29332	⚠️ high	7.5	16.5	Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability	2023-09-12

These CVEs affect the same products