Vulnerability in Microsoft Windows_10_1809

CVE-2025-55680

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

Vulnerability class: TOCTOU (Time-of-Check to Time-of-Use)

EPSS: 0.004 (33.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-55680?
CVE-2025-55680 is a high-severity vulnerability in Microsoft Windows_10_1809, classified under Time-of-check Time-of-use (TOCTOU) Race Condition. CVSS score: 7.8/10. Published 2025-10-14.
How severe is CVE-2025-55680?
High severity. CVSS v3 base score is 7.8 out of 10.