All CVE records

CVE-2025-62221 — Microsoft Windows Use After Free Vulnerability

CISA KEV listed Added December 9, 2025 Remediate by December 30, 2025

Description

Microsoft Windows Cloud Files Mini Filter Driver contains a use after free vulnerability that can allow an authorized attacker to elevate privileges locally.

Required action

Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2025-62221 ; https://nvd.nist.gov/vuln/detail/CVE-2025-62221

Need help remediating this vulnerability?

Our team helps organizations patch, mitigate, and respond to CISA KEV advisories fast.

Talk to an engineer