---
id: CVE-2026-32211
title: Azure MCP Server Information Disclosure Vulnerability
summary: >-
  Missing authentication for critical function in Azure MCP Server allows an
  unauthorized attacker to disclose information over a network.
severity: critical
cvss: 9.1
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C'
cvssSource: cna
cwe:
  - CWE-306
vendor: Microsoft
product: Azure Web Apps
affected:
  - azure_web_apps -
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-04-03T00:00:00+00:00'
published: '2026-04-02'
updated: '2026-09-25'
sourceUpdated: '2026-09-25T17:26:24.352Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-32211'
references:
  - url: 'https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32211'
    label: Azure MCP Server Information Disclosure Vulnerability
tags:
  - cve.org
epss: 0.00999
epssPercentile: 0.61249
ingestedAt: '2026-09-25T18:14:20.408Z'
---

## Overview

Missing authentication for critical function in Azure MCP Server allows an unauthorized attacker to disclose information over a network.

## Affected

- `azure_web_apps -`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.