CVE-2025-27738HighCVSS 6.5

Windows Resilient File System (ReFS) Information Disclosure Vulnerability

Published
April 8, 2025
Last Modified
—

🔗 CVE IDs covered (1)

CVE-2025-27738 →

📋 Description

Improper access control in Windows Resilient File System (ReFS) allows an authorized attacker to disclose information over a network.

🎯 Affected products31

  • Windows 10 Version 1607 for 32-bit Systems
  • Windows 10 Version 1607 for x64-based Systems
  • Windows 10 Version 1809 for 32-bit Systems
  • Windows 10 Version 1809 for x64-based Systems
  • Windows 10 Version 21H2 for 32-bit Systems
  • Windows 10 Version 21H2 for ARM64-based Systems
  • Windows 10 Version 21H2 for x64-based Systems
  • Windows 10 Version 22H2 for 32-bit Systems
  • Windows 10 Version 22H2 for ARM64-based Systems
  • Windows 10 Version 22H2 for x64-based Systems
  • Windows 10 for 32-bit Systems
  • Windows 10 for x64-based Systems
  • Windows 11 Version 22H2 for ARM64-based Systems
  • Windows 11 Version 22H2 for x64-based Systems
  • Windows 11 Version 23H2 for ARM64-based Systems
  • Windows 11 Version 23H2 for x64-based Systems
  • Windows 11 Version 24H2 for ARM64-based Systems
  • Windows 11 Version 24H2 for x64-based Systems
  • Windows Server 2012
  • Windows Server 2012 (Server Core installation)
  • Windows Server 2012 R2
  • Windows Server 2012 R2 (Server Core installation)
  • Windows Server 2016
  • Windows Server 2016 (Server Core installation)
  • Windows Server 2019
  • Windows Server 2019 (Server Core installation)
  • Windows Server 2022
  • Windows Server 2022 (Server Core installation)
  • Windows Server 2022, 23H2 Edition (Server Core installation)
  • Windows Server 2025
  • +1 more not shown

✅ Remediation

KB5055518 (Security Update) — fixed build 10.0.19044.5737 KB5055528 (Security Update) — fixed build 10.0.22631.5189 KB5055527 (Security Update) — fixed build 10.0.25398.1551 KB5055518 (Security Update) — fixed build 10.0.19045.5737 KB5055523 (Security Update) — fixed build 10.0.26100.3775 KB5055547 (Security Update) — fixed build 10.0.10240.20978 KB5055521 (Security Update) — fixed build 10.0.14393.7969 KB5055526 (Security Update) — fixed build 10.0.20348.3453 KB5055528 (Security Update) — fixed build 10.0.22621.5189 KB5055519 (Security Update) — fixed build 10.0.17763.7136 KB5055557 (Monthly Rollup) — fixed build 6.3.9600.22523 KB5055581 (Monthly Rollup) — fixed build 6.2.9200.25423

🔗 References (21)