---
id: CVE-2024-21400
title: >-
  Microsoft Azure Kubernetes Service Confidential Container Elevation of
  Privilege Vulnerability
summary: >-
  Microsoft Azure Kubernetes Service Confidential Container Elevation of
  Privilege Vulnerability
severity: critical
cvss: 9
cvssVector: 'CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H'
cwe:
  - CWE-22
vendor: microsoft
product: confcom
affected:
  - confcom < 0.3.3
patched:
  - confcom 0.3.3
published: '2024-03-12'
updated: '2026-09-14'
sourceUpdated: '2026-09-14T13:44:43.017'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2024-21400'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21400'
    label: secure@microsoft.com
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2024-21400'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
epss: 0.02197
epssPercentile: 0.81506
ingestedAt: '2026-09-14T14:19:48.712Z'
---

## Overview

Microsoft Azure Kubernetes Service Confidential Container Elevation of Privilege Vulnerability

## Affected

- `confcom < 0.3.3`

## Remediation

Upgrade past the affected range:

- `confcom 0.3.3`