CVE-2025-62221 Details
Description
Use after free in Windows Cloud Files Mini Filter Driver allows an authorized attacker to elevate privileges locally.
A use-after-free vulnerability has been identified in the Windows Cloud Files Mini Filter Driver. This vulnerability allows an authorized attacker to locally elevate privileges. The issue arises from improper memory management, which can be exploited to gain higher-level access rights.
Users can apply the security update for their specific Windows version. Security Update KB5071546 is available for Windows 10 versions 21H2 and 22H2, as well as for Windows 10 Version 1809. For Windows Server 2019 and 2022, the security update KB5071544 is recommended. Windows 11 users can download the security update KB5072033. Instructions for downloading these security updates are available on the Microsoft Update Catalog.
Metrics
CVSS 4.0 Severity and Vector Strings:
No CVSS 4.0 data is available for this CVE.
CVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
CISA-ADP
Assessed Dec 10, 2025References to Advisories, Solutions, and Tools
By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.
| URL | Source(s) | Tag(s) |
|---|---|---|
| https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-62221 | CISA-ADP | US Government Resource |
| https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-62221 | [email protected] | Vendor Advisory |
This CVE is in CISA's Known Exploited Vulnerabilities Catalog
Reference CISA's BOD 22-01 and Known Exploited Vulnerabilities Catalog for further guidance and requirements.
| Vulnerability Name | Date Added | Due Date | Required Action |
|---|---|---|---|
| Microsoft Windows Use After Free Vulnerability | Dec 9, 2025 | 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. |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-416 | Use After Free | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| microsoft windows 10 1809 | < 10.0.17763.8146 |
CPE
Remediation
| |
| microsoft windows 10 21h2 | < 10.0.19044.6691 |
CPE
Remediation
| |
| microsoft windows 10 22h2 | < 10.0.19045.6691 |
CPE
Remediation
| |
| microsoft windows 11 23h2 | < 10.0.22631.6345 |
CPE
Remediation
| |
| microsoft windows 11 24h2 | < 10.0.26100.7392 |
CPE
Remediation
| |
| microsoft windows 11 25h2 | < 10.0.26200.7392 |
CPE
Remediation
| |
| microsoft windows server 2019 | < 10.0.17763.8146 |
CPE
Remediation
| |
| microsoft windows server 2022 | < 10.0.20348.4467 |
CPE
Remediation
| |
| microsoft windows server 2022 23h2 | < 10.0.25398.2025 |
CPE
Remediation
| |
| microsoft windows server 2025 | < 10.0.26100.7392 |
CPE
Remediation
| |
Change History
6 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 25, 2026 | CVE Translated | [email protected] |
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Dec 10, 2025 | Initial Analysis | [email protected] |
| Dec 9, 2025 | CVE Modified | CISA-ADP |
| Dec 9, 2025 | New CVE Received | [email protected] |