Azure Bot Service Elevation of Privilege Vulnerability

Summary

Improper authentication in Azure Bot Service allows an authorized attacker to elevate privileges over a network. Published in June 2026 Security Updates. MSRC exploitability: Publicly Disclosed:No;Exploited:No.

Why it matters

Microsoft published this item through its Security Update Guide, making it part of Patch Tuesday triage for affected Windows, cloud, or application estates. EPSS percentile: 29%.

Operator check

Review the Microsoft Security Update Guide entry for CVE-2026-32174. Confirm whether Azure Bot Service is deployed, then apply the current security update or documented mitigation. CVSS score: 7.7. EPSS probability: 0.4%; percentile: 29%.

Sources