Microsoft Azure Ai Bot Service vulnerabilities

4 CVEs affecting Microsoft Azure Ai Bot Service, 0 known to be exploited (CISA KEV), with EPSS scores. Latest: CVE-2026-32174, published 2026-06-18.

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Known exploited (CISA KEV) first, then by EPSS exploit probability.

• CVE-2025-30392, published 2025-04-30. Critical severity, CVSS 9.8. EPSS: 1.1% chance of exploitation in the next 30 days. Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.
• CVE-2025-30389, published 2025-04-30. Critical severity, CVSS 9.8. EPSS: 0.9% chance of exploitation in the next 30 days. Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.
• CVE-2026-32174, published 2026-06-18. High severity, CVSS 8.8. EPSS: 0.8% chance of exploitation in the next 30 days. Improper authentication in Azure Bot Service allows an authorized attacker to elevate privileges over a network.
• CVE-2025-55244, published 2025-09-04. Critical severity, CVSS 9.0. EPSS: 0.6% chance of exploitation in the next 30 days. Azure Bot Service Elevation of Privilege Vulnerability