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Description

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

PUBLISHED Reserved 2025-10-08 | Published 2025-12-09 | Updated 2025-12-09 | Assigner microsoft




HIGH: 7.8CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C

CISA Known Exploited Vulnerability

Date added 2025-12-09 | Due date 2025-12-30

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

Problem types

CWE-416: Use After Free

Product status

10.0.17763.0 (custom) before 10.0.17763.8146
affected

10.0.19044.0 (custom) before 10.0.19044.6691
affected

10.0.19045.0 (custom) before 10.0.19045.6691
affected

10.0.26100.0 (custom) before 10.0.26100.7462
affected

10.0.26200.0 (custom) before 10.0.26200.7462
affected

10.0.20348.0 (custom) before 10.0.20348.4529
affected

10.0.22631.0 (custom) before 10.0.22631.6345
affected

10.0.25398.0 (custom) before 10.0.25398.2025
affected

10.0.22631.0 (custom) before 10.0.22631.6345
affected

10.0.26100.0 (custom) before 10.0.26100.7462
affected

10.0.26100.0 (custom) before 10.0.26100.7462
affected

10.0.17763.0 (custom) before 10.0.17763.8146
affected

10.0.17763.0 (custom) before 10.0.17763.8146
affected

References

www.cisa.gov/...erabilities-catalog?field_cve=CVE-2025-62221 government-resource

msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62221 (Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability) vendor-advisory

cve.org (CVE-2025-62221)

nvd.nist.gov (CVE-2025-62221)