CVE-2025-55687

CWE-362 — Race ConditionCWE-416 — Use After Free4 documents4 sources
Severity
7.0HIGH
EPSS
0.0%
top 91.38%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
31
Microsoft Windows 10 Version 1507Microsoft Windows 10 Version 1607Microsoft Windows 10 Version 1809+28 more
Timeline
PublishedOct 14

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.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HExploitability: 1.4 | Impact: 5.9

Affected Packages31 packages

▶NVDmicrosoft/windows< 10.0.14393.8519+5
▶NVDmicrosoft/windows_10_1507< 10.0.10240.21161
▶NVDmicrosoft/windows_10_1607< 10.0.14393.8519
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7919
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6456

🔴Vulnerability Details

2
GHSA
GHSA-h656-3w5x-8qxp: Concurrent execution using shared resource with improper synchronization ('race condition') in Windows Resilient File System (ReFS) allows an unauthor↗2025-10-14
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CVEList
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability↗2025-10-14
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📋Vendor Advisories

1
Microsoft
Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability↗2025-10-14
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CVE-2025-55687 (HIGH CVSS 7) | Concurrent execution using shared r | cvebase.io