Vulnerability in Microsoft Windows 10 1507
CVE-2025-27738
Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to disclose information over a network.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.
EPSS exploit prediction
EPSS: 0.034 (88.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.034 · change: +0.003
Affected products
- Microsoft Windows 10 1507
- Microsoft Windows 10 1607
- Microsoft Windows 10 1809
- Microsoft Windows 10 21h2
- Microsoft Windows 10 22h2
- Microsoft Windows 10 Version 1507 — versions 10.0.10240.0
- Microsoft Windows 10 Version 1607 — versions 10.0.14393.0
- Microsoft Windows 10 Version 1809 — versions 10.0.17763.0
- Microsoft Windows 10 Version 21h2 — versions 10.0.19044.0
- Microsoft Windows 10 Version 22h2 — versions 10.0.19045.0
Weakness classification (CWE)
References
- Windows Resilient File System (ReFS) Information Disclosure Vulnerability (vendor-advisory, patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2025-27738?
- CVE-2025-27738 is a medium-severity vulnerability in Microsoft Windows 10 1507, classified under Improper Access Control. CVSS score: 6.5/10. Published 2025-04-08.
- How severe is CVE-2025-27738?
- Medium severity. CVSS v3 base score is 6.5 out of 10.