Severity
High
Analysis Summary
CVE-2025-62221
Microsoft Windows allows an authorized attacker to elevate privileges locally, caused by a use-after-free in the Cloud Files Mini Filter Driver.
Impact
- Privilege Escalation
Indicators of Compromise
CVE
- CVE-2025-62221
Affected Vendors
- Microsoft
Affected Products
- Microsoft Windows Server 2019
- Microsoft Windows 10 Version 1809 for 32-bit Systems
- Microsoft Windows 10 Version 1809 for x64-based Systems
- Microsoft Windows Server 2022
- Microsoft Windows Server 2019 (Server Core installation)
- Microsoft Windows Server 2022 (Server Core installation)
- Microsoft Windows Server 2025
- Microsoft Windows 11 Version 24H2 for x64-based Systems
- Microsoft Windows 11 Version 24H2 for ARM64-based Systems
- Microsoft Windows 11 Version 23H2 for x64-based Systems
- Microsoft Windows 11 Version 23H2 for ARM64-based Systems
- Microsoft Windows Server 2025 (Server Core installation)
- Microsoft Windows 10 Version 22H2 for x64-based Systems
- Microsoft Windows 10 Version 21H2 for x64-based Systems
- Microsoft Windows 10 Version 22H2 for 32-bit Systems
- Microsoft Windows 10 Version 22H2 for ARM64-based Systems
- Microsoft Windows 10 Version 21H2 for ARM64-based Systems
- Microsoft Windows 10 Version 21H2 for 32-bit Systems
- Microsoft Windows Server 2022 - 23H2 Edition (Server Core installation)
- Microsoft Windows 11 Version 25H2 for ARM64-based Systems
- Microsoft Windows 11 Version 25H2 for x64-based Systems
Remediation
Use Microsoft Automatic Update to apply the appropriate patch for your system, or the Microsoft Security Update Guide to search for available patches.