CVE-2026-32211CWE-306

Azure MCP Server Information Disclosure Vulnerability

Critical · published April 2, 2026

CVSS v3.1
9.1
EPSS
1%
Percentile
62.5
In the wild
Unconfirmed
What it is

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

The record
Technical detail
CVSS v3.1
9.1 · CRITICAL
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
CVSS v4.0
Not supplied
EPSS
0.00999 · 62.5th percentile
Weakness
CWE-306 · Missing Authentication for Critical Function
Published
2026-04-02T23:27Z
EPSS history
Timeline
  • 02 APR 23:27Z
    Azure MCP Server Information Disclosure Vulnerability
    cvelistv5