CVE-2026-32211

CRITICAL

Azure MCP Server Information Disclosure Vulnerability

Title source: cna
STIX 2.1

Description

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

References (1)

Core 1
Core References
Vendor Advisory vendor-advisory patch
Azure MCP Server Information Disclosure Vulnerability
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32211

Scores

CVSS v3 9.1
EPSS 0.0083
EPSS Percentile 52.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable yes
Technical Impact total

Details

CWE
CWE-306
Status published
Products (2)
Microsoft/Azure Web Apps -
microsoft/azure_web_apps
Published Apr 03, 2026
Tracked Since Apr 03, 2026