{"id":"CVE-2025-27738","published":"2025-04-08T17:24:11Z","modified":"2026-08-10T15:13:08Z","title":"Windows Resilient File System (ReFS) Information Disclosure Vulnerability","vendor":"Microsoft","product":"Windows 10 Version 1507","tier":"tail","description":{"text":"Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to disclose information over a network.","provenance":"source","from":"CVE.org"},"cvss":{"score":6.5,"severity":"MEDIUM","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","provenance":"source","from":"CVE.org CNA"},"epss":{"score":0.035,"percentile":0.8912,"provenance":"source"},"cwes":[{"id":"CWE-284","name":"Improper Access Control"}],"references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-27738","tags":["vendor-advisory","patch"]}],"priority":{"score":22.4,"factors":[{"name":"EPSS percentile","points":17.82},{"name":"CVSS severity","points":4.55}]},"vendorSlug":"microsoft","affectedVersions":[{"vendor":"Microsoft","product":"Windows 10 Version 1507","versions":[">= 10.0.10240.0, < 10.0.10240.20978"]},{"vendor":"Microsoft","product":"Windows 10 Version 1607","versions":[">= 10.0.14393.0, < 10.0.14393.7969"]},{"vendor":"Microsoft","product":"Windows 10 Version 1809","versions":[">= 10.0.17763.0, < 10.0.17763.7136"]},{"vendor":"Microsoft","product":"Windows 10 Version 21H2","versions":[">= 10.0.19044.0, < 10.0.19044.5737"]},{"vendor":"Microsoft","product":"Windows 10 Version 22H2","versions":[">= 10.0.19045.0, < 10.0.19045.5737"]},{"vendor":"Microsoft","product":"Windows 11 version 22H2","versions":[">= 10.0.22621.0, < 10.0.22621.5189"]},{"vendor":"Microsoft","product":"Windows 11 version 22H3","versions":[">= 10.0.22631.0, < 10.0.22631.5189"]},{"vendor":"Microsoft","product":"Windows 11 Version 23H2","versions":[">= 10.0.22631.0, < 10.0.22631.5189"]},{"vendor":"Microsoft","product":"Windows 11 Version 24H2","versions":[">= 10.0.26100.0, < 10.0.26100.3775"]},{"vendor":"Microsoft","product":"Windows Server 2012","versions":[">= 6.2.9200.0, < 6.2.9200.25423"]}],"euvd":{"id":"EUVD-2025-10149","exploited":false,"provenance":"source"},"lineage":{"familyId":"fam-class-microsoft-windows-cwe-284"}}