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CVE-2026-50516Critical

Microsoft Azure Kubernetes Service Elevation of Privilege Vulnerability

MSRC advisory NVD CVE.org

Assessment

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

Severity
Critical
CVSS base score
9.4CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:L/E:U/RL:O/RC:C
Impact
Elevation of Privilege
EPSS, next 30 days
0.8%Higher than 55.9% of scored CVEs · FIRST model run 26 Sep 2026 · about EPSS
Exploitability
Exploitation Less Likely
Publicly disclosed
No
Customer action
Not required (service-side fix)
Component
Microsoft Azure Kubernetes Service
Weakness
CWE-306: Missing Authentication for Critical Function
Issued by
Microsoft
Published
6 Aug 2026 · August 2026
Last revised
6 Aug 2026

Updates that fix it

0 KBs

No KB listed

MSRC lists no downloadable update, which usually means a service-side fix or a release-notes update. Check the MSRC advisory.

Affected products

Azure
1 affected product
  • Azure Kubernetes Service
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