HIGH

CVE-2025-62221

Microsoft Windows 10 1809 2025-12-09 CVSS v3.1

CVSS

7.8

KEV

Description

Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.

Summary dbcve.org

A use-after-free vulnerability in the Windows Cloud Files Mini Filter Driver allows a locally authorized attacker to elevate privileges to SYSTEM level by exploiting a memory management flaw in this kernel-mode driver.

Mitigation

Apply the Microsoft security update for CVE-2025-62221 when available. Until then, restrict local access to trusted users only and monitor for suspicious driver interactions.

Weakness (CWE)

CWE-416 Use After Free

EPSS Score

2.51%

Probability of exploitation in next 30 days

84th percentile

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62221 Vendor Advisory https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-62221 US Government Resource

View on dbcve.org

Base CVE data derived from NVD (public domain). Enrichment by dbcve.org (CC-BY-4.0). Fetched via API.

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