Description
Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Resilient File System (ReFS) allows an unauthorized attacker to elevate privileges locally.
References (1)
Core 1
Core References
Vendor Advisory vendor-advisory
patch
https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-55687
Scores
CVSS v3
7.4
EPSS
0.0003
EPSS Percentile
10.4%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
total
Details
CWE
CWE-362
CWE-416
Status
published
Products (16)
microsoft/windows_10_1507
< 10.0.10240.21161
microsoft/windows_10_1607
< 10.0.14393.8519
microsoft/windows_10_1809
< 10.0.17763.7919
microsoft/windows_10_21h2
< 10.0.19044.6456
microsoft/windows_10_22h2
< 10.0.19045.6456
microsoft/windows_11_22h2
< 10.0.22621.6060
microsoft/windows_11_23h2
< 10.0.22631.6060
microsoft/windows_11_24h2
< 10.0.26100.6899
microsoft/windows_11_25h2
< 10.0.26200.6899
microsoft/windows_server_2012
... and 6 more
Published
Oct 14, 2025
Tracked Since
Feb 18, 2026