CVE-2025-62221

HIGH CISA KEV EPSS 81.5%
Published Dec 9, 20256mo ago · Modified Jun 17, 20262w ago
7.8 CVSS 3.1
High
Find Similar
Published Dec 9, 2025 6mo ago
Last Modified Jun 17, 2026 2w ago
KEV Listed Dec 9, 2025 6mo ago
KEV Due Dec 30, 2025 186d overdue

Description

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

CVSS Details

Base Score
7.8
Exploitability
1.8
Impact
5.9
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector Local
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality High
Integrity High
Availability High

Threat Intelligence

CISA Known Exploited Overdue 186d
Added
Dec 9, 2025
Due
Dec 30, 2025

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

EPSS Exploit Probability
81.5% percentile
Exploit & Patch Status
Actively Exploited (KEV)
No Patch Available

Weaknesses 1

CWE-416 Use After Free Memory Safety

Affected Products 11

VendorProductVersionRange
microsoftwindows_10_1809* <10.0.17763.8146
microsoftwindows_10_1809* <10.0.17763.8146
microsoftwindows_10_21h2* <10.0.19044.6691
microsoftwindows_10_22h2* <10.0.19045.6691
microsoftwindows_11_23h2* <10.0.22631.6345
microsoftwindows_11_24h2* <10.0.26100.7392
microsoftwindows_11_25h2* <10.0.26200.7392
microsoftwindows_server_2019* <10.0.17763.8146
microsoftwindows_server_2022* <10.0.20348.4467
microsoftwindows_server_2022_23h2* <10.0.25398.2025
microsoftwindows_server_2025* <10.0.26100.7392

References 2

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

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.