CVE-2025-55680 — Time-of-check Time-of-use (TOCTOU) Race Condition in Microsoft Windows 10 Version 1809

CWE-367 — Time-of-check Time-of-use (TOCTOU) Race Condition4 documents4 sources
Severity
7.0HIGHNVD
CNA7.8
EPSS
0.0%
top 90.99%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
19
Microsoft Windows 10 Version 1809Microsoft Windows 10 Version 21h2Microsoft Windows 10 Version 22h2+16 more
Timeline
PublishedOct 14

Description

Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

CVSS vector

CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.0 | Impact: 5.9

Affected Packages19 packages

▶NVDmicrosoft/windows< 10.0.17763.7919+3
▶NVDmicrosoft/windows_10_1809< 10.0.17763.7919
▶NVDmicrosoft/windows_10_21h2< 10.0.19044.6456
▶NVDmicrosoft/windows_10_22h2< 10.0.19045.6456
▶NVDmicrosoft/windows_11_22h2< 10.0.22621.6060

🔴Vulnerability Details

2
GHSA
GHSA-5mx8-7c9w-2j55: Time-of-check time-of-use (toctou) race condition in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locall↗2025-10-14
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CVEList
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability↗2025-10-14
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📋Vendor Advisories

1
Microsoft
Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability↗2025-10-14
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CVE-2025-55680 — Microsoft vulnerability | cvebase