Cyber Resilience

CVE-2025-55316

High

Published: 09 September 2025

Published
09 September 2025
Modified
12 September 2025
KEV Added
—
Patch
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CVSS Score v3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score 0.0062 70.6th percentile
Risk Priority 16 60% EPSS · 20% KEV · 20% CVSS

Summary

CVE-2025-55316 is a high-severity External Control of File Name or Path (CWE-73) vulnerability in Microsoft Azure Connected Machine Agent. Its CVSS base score is 7.8 (High).

Operationally, ranked in the top 29.4% of CVEs by exploit likelihood; it is not currently listed in the CISA KEV catalog.

EU & UK References

Vulnerability details

External control of file name or path in Azure Arc allows an authorized attacker to elevate privileges locally.

CWE(s)
CWE-73

Related Threats

No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.

Affected Assets

microsoft
azure connected machine agent
≤ 1.56

Mitigating Controls

Likely Mitigating Controls AI

Per-CVE control mapping for this CVE has not run yet; the list below is derived from the weakness types (CWEs) cited in the NVD entry.

SI-10 Information Input Validation
addresses: CWE-73

Rejects externally supplied file or resource identifiers that fail validity checks.

References