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.
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.004 (27.2th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 27th percentile — 27.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.004 · change: +0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55316 (vendor-advisory, patch, Vendor Advisory)
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.