CVE-2026-32211 CRITICAL

CVE-2026-32211: Azure MCP Server Information Disclosure Vulnerability

Vendor Microsoft
Product Azure Web Apps
Weakness CWE-306 · Missing auth
Published April 2, 2026
Last update June 1, 2026
View on NVD All CVEs

CVSS base score

9.1/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

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

What the vulnerability does

01Description

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

Key dates

02Disclosure timeline

April 2, 2026 CVE published
June 1, 2026 Record updated