Vulnerability in Microsoft Azure Connected Machine Agent
CVE-2025-55316
External control of file name or path in Azure Arc allows an authorized attacker to elevate privileges locally.
EPSS: 0.003 (50.9th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C.
Affected products
- Microsoft Azure Connected Machine Agent — versions 1.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- Azure Connected Machine Agent Elevation of Privilege Vulnerability (vendor-advisory, patch)
Frequently asked questions
- What is CVE-2025-55316?
- CVE-2025-55316 is a high-severity vulnerability in Microsoft Azure Connected Machine Agent, classified under External Control of File Name or Path. CVSS score: 7.8/10. Published 2025-09-09.
- How severe is CVE-2025-55316?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2025-55316 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.