← All Advisories

Critical Authorization Bypass in Microsoft Azure Kubernetes Service Allows Network Privilege Escalation

Last refreshed2026-09-26

Status: UPDATED  |  Advisory ID: CVE-2026-33105

Key Details

CVECVE-2026-33105
CVSS Score / Version10.0 (Critical) / CVSS v3.1
Updated2026-09-24
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS Proseattack vector is network; attack complexity is low; privileges required is none; user interaction is none; scope is changed; confidentiality impact is high; integrity impact is high; availability impact is high.
Affected productsMicrosoft Azure Kubernetes Service (AKS)
Classified asCWE-285 (Improper Authorization)
Exploitation prediction (EPSS)0.90% probability of exploitation in the next 30 days (58% percentile) -- FIRST.org's EPSS model.

Affected Products, Subsystems & Sectors

VendorProductAffected VersionsPatch Status
MicrosoftAzure Kubernetes Service (AKS)
SubsystemsCloud-Connected OT/IIoT Platforms
SectorsAll Sectors

What to Know

Improper authorization in Microsoft Azure Kubernetes Service allows an unauthorized attacker to elevate privileges over a network.

What to Do

Monitor Microsoft's web page for any future patch releases. See vendor advisory link below.

References

SourceReference
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-33105
CVEhttps://www.cve.org/CVERecord?id=CVE-2026-33105
Vendor advisoryhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-33105