VulnerabilityAnalyzed
CVE-2025-27738
Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to disclose information over a network.
MEDIUM 6.5EPSS 3.44%
Does this matter?
Lower severity and a low EPSS score (3.44%). Track it; it rarely justifies an emergency change on its own.
Description
Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to disclose information over a network.
- CVSS 3.1
- 6.5 MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- EPSS
- 3.44% probability · 88th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-284
- Affected
- microsoft/windows 10 1507 · microsoft/windows 10 1607 · microsoft/windows 10 1809 · microsoft/windows 10 21h2 · microsoft/windows 10 22h2 · microsoft/windows 11 22h2 · microsoft/windows 11 23h2 · microsoft/windows 11 24h2 · microsoft/windows server 2012 · microsoft/windows server 2016 · microsoft/windows server 2019 · microsoft/windows server 2022 · microsoft/windows server 2022 23h2 · microsoft/windows server 2025
- Source
- secure@microsoft.com
References
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.