CVE-2025-55244
CVE-2025-55244 is a critical-severity vulnerability in Microsoft Azure Ai Bot Service with a CVSS 3.x base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-284.
Key facts
- Severity: Critical (CVSS 3.x base score 9.0)
- EPSS exploit prediction: 1% (43rd percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2025-26872
- Weakness: CWE-284
- Affected product: Microsoft Azure Ai Bot Service
- Published:
- Last modified:
Description
Azure Bot Service Elevation of Privilege Vulnerability
Frequently asked questions
- What is CVE-2025-55244?
- Azure Bot Service Elevation of Privilege Vulnerability
- How severe is CVE-2025-55244?
- CVE-2025-55244 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with high attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
- Is CVE-2025-55244 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (43rd percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2025-55244?
- CVE-2025-55244 affects Microsoft Azure Ai Bot Service. See the affected-products list for the exact vulnerable versions.
- How do I fix CVE-2025-55244?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
- Does CVE-2025-55244 have an EU (EUVD) identifier?
- Yes. CVE-2025-55244 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-26872.
- When was CVE-2025-55244 published?
- CVE-2025-55244 was published on 2025-09-04 and last updated on 2026-06-17.
References
Affected products (1)
- cpe:2.3:a:microsoft:azure_ai_bot_service:-:*:*:*:*:*:*:*
More vulnerabilities in Microsoft Azure Ai Bot Service
- CVE-2025-30392 — Critical (CVSS 9.8): Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.
- CVE-2025-30389 — High (CVSS 8.7): Improper authorization in Azure Bot Framework SDK allows an unauthorized attacker to elevate privileges over a network.
- CVE-2026-32174 — High (CVSS 7.7): Improper authentication in Azure Bot Service allows an authorized attacker to elevate privileges over a network.
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