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Description

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

PUBLISHED Reserved 2026-03-11 | Published 2026-04-02 | Updated 2026-05-12 | Assigner microsoft




CRITICAL: 9.1CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N/E:U/RL:O/RC:C

Problem types

CWE-306: Missing Authentication for Critical Function

Product status

-
affected

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32211 (Azure MCP Server Information Disclosure Vulnerability) vendor-advisory patch

cve.org (CVE-2026-32211)

nvd.nist.gov (CVE-2026-32211)

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