What is CVE-2026-32174?

CVE-2026-32174 is a high-severity vulnerability in Microsoft Azure Ai Bot Service, classified under Improper Authentication. CVSS score: 7.7/10. Published 2026-06-18.

How severe is CVE-2026-32174?

High severity. CVSS v3 base score is 7.7 out of 10.

Auth bypass in Microsoft Azure Ai Bot Service

CVE-2026-32174

Improper authentication in Azure Bot Service allows an authorized attacker to elevate privileges over a network.

Vulnerability class: Broken Authentication

CVSS v3 metric

CVSS v3 base score 7.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:N/I:H/A:N.

Affected products

Microsoft Azure Ai Bot Service

Weakness classification (CWE)

CWE-287 — Improper Authentication

References

secure@microsoft.com (vendor-advisory, patch)

Frequently asked questions

What is CVE-2026-32174?: CVE-2026-32174 is a high-severity vulnerability in Microsoft Azure Ai Bot Service, classified under Improper Authentication. CVSS score: 7.7/10. Published 2026-06-18.
How severe is CVE-2026-32174?: High severity. CVSS v3 base score is 7.7 out of 10.