What is CVE-2025-55244?

CVE-2025-55244 is a critical-severity vulnerability in Microsoft Azure_ai_bot_service, classified under Improper Access Control. CVSS score: 9.0/10. Published 2025-09-04.

How severe is CVE-2025-55244?

Critical severity. CVSS v3 base score is 9.0 out of 10.

Is CVE-2025-55244 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Microsoft Azure_ai_bot_service

CVE-2025-55244

Azure Bot Service Elevation of Privilege Vulnerability

EPSS: 0.006 (43.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Microsoft Azure_ai_bot_service
Microsoft Azure Bot Service

Weakness classification (CWE)

CWE-284 — Improper Access Control

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

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

Frequently asked questions

What is CVE-2025-55244?: CVE-2025-55244 is a critical-severity vulnerability in Microsoft Azure_ai_bot_service, classified under Improper Access Control. CVSS score: 9.0/10. Published 2025-09-04.
How severe is CVE-2025-55244?: Critical severity. CVSS v3 base score is 9.0 out of 10.
Is CVE-2025-55244 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.