CVE-2025-21182
published 2025-02-11CVE-2025-21182: Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
PriorityP338high7.4CVSS 3.1
AVLACHPRNUINSUCHIHAH
EPSS
0.52%
41.3th percentile
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Affected
7 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| microsoft | windows_11_24h2 | < 10.0.26100.3107 | 10.0.26100.3107 |
| microsoft | windows_11_version_24h2 | >= 10.0.26100.0 < 10.0.26100.3194 | 10.0.26100.3194 |
| microsoft | windows_server_2025 | < 10.0.26100.3107 | 10.0.26100.3107 |
| microsoft | windows_server_2025 | >= 10.0.26100.0 < 10.0.26100.3194 | 10.0.26100.3194 |
| msrc | windows_11_version_24h2_for_arm64-based_systems | — | — |
| msrc | windows_11_version_24h2_for_x64-based_systems | — | — |
| msrc | windows_server_2025 | — | — |
CVSS provenance
nvdv3.17.4HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vendor_msrc7.4HIGH
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Microsoft
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
vendor_msrc·2025-02-11·CVSS 7.4
CVE-2025-21182 [HIGH] CWE-415 Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
FAQ: According to the CVSS metric, the attack complexity is high (AC:H). What does that mean for this vulnerability?
Successful exploitation of this vulnerability requires an attacker to win a race condition.
FAQ: What privileges could be gained by an attacker who successfully exploited this vulnerability?
An attacker who successfully exploited this vulnerability could gain SYSTEM privileges.
Windows Resilient File System (ReFS) Deduplication Service: Windows Resilient File System (ReFS) Deduplication Service
Microsoft: Microsoft
Customer Action Required: Yes
Impact: Elevation of Privilege
Exploit Status: Publicly Disclosed:No;Exploited:No;Latest Software Release:Exploitation Less Likely
GHSA
GHSA-7wx7-289w-5fpm: Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
ghsa_unreviewed·2025-02-11
CVE-2025-21182 [HIGH] CWE-415 GHSA-7wx7-289w-5fpm: Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
Windows Resilient File System (ReFS) Deduplication Service Elevation of Privilege Vulnerability
No detection rules found.
No public exploits indexed.
2025-02-11
Published