CVE-2025-21183

Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Published Feb 11, 2025 CVSS 3.1 · 7.4 High EPSS < 1% KEV · Not listed
Description
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability

Remediation

No solution or workaround provided in the CVE record

Tracking

Sign in to view the affected projects.

Advisories

Source ID Title
EUVD EUVD EUVD-2025-2262 Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
History
Type Values Removed Values Added
First Time appeared Microsoft windows 11 24h2
CPEs cpe:2.3:o:microsoft:windows_11_24H2:*:*:*:*:*:*:arm64:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:*:*
Vendors & Products Microsoft windows 11 24h2
Type Values Removed Values Added
Metrics epss

{'score': 0.00039}

epss

{'score': 0.00044}

Type Values Removed Values Added
First Time appeared Microsoft
Microsoft windows 11 24h2
Microsoft windows Server 2025
Weaknesses NVD-CWE-noinfo
CPEs cpe:2.3:o:microsoft:windows_11_24h2:*:*:*:*:*:*:*:*
cpe:2.3:o:microsoft:windows_server_2025:*:*:*:*:*:*:x64:*
Vendors & Products Microsoft
Microsoft windows 11 24h2
Microsoft windows Server 2025
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Title Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Weaknesses CWE-415
References
Metrics cvssV3_1

{'score': 7.4, 'vector': 'CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
microsoft
Published
Updated
Feb 26, 2026, 7:09 PM
Reserved
Dec 5, 2024, 9:43 PM
Status
Analyzed
Published
Feb 11, 2025, 6:15 PM
Modified
Jun 17, 2026, 8:42 AM