CVE-2025-32701: Microsoft Windows Common Log File System (CLFS) Driver Use-After-Free Vulnerability
First published: Tue May 13 2025(Updated: )
<p>Use after free in Windows Common Log File System Driver allows an authorized attacker to elevate privileges locally.</p>
Credit: secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows Server 2008 R2 | ||
| Windows 10 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server | ||
| Windows 10 | =1607 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2008 R2 | ||
| Windows 10 | =1607 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server | ||
| Microsoft Windows Server 2016 | ||
| Windows 10 | =21H2 | |
| Microsoft Windows Server 2022 | ||
| Windows 10 | =1809 | |
| Windows 10 | =21H2 | |
| Windows 10 | =22H2 | |
| Windows 10 | =1809 | |
| Windows 11 | =24H2 | |
| Windows 11 | =23H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2022 | ||
| Windows 11 | =23H2 | |
| Windows 10 | =21H2 | |
| Microsoft Windows Server 2022 23H2 | ||
| Windows 10 | ||
| Windows 10 | =22H2 | |
| Windows 11 | =22H2 | |
| Microsoft Windows Server 2025 | ||
| Windows 11 | =22H2 | |
| Windows 11 | =24H2 | |
| Windows 10 | =22H2 | |
| Microsoft Windows Operating System | ||
| Microsoft Windows 10 | <10.0.10240.21014 | |
| Microsoft Windows 10 | <10.0.14393.8066 | |
| Microsoft Windows 10 | <10.0.17763.7314 | |
| Microsoft Windows 10 | <10.0.17763.7314 | |
| Microsoft Windows 10 | <10.0.19044.5854 | |
| Microsoft Windows 10 | <10.0.19045.5854 | |
| Windows 11 | <10.0.22621.5335 | |
| Windows 11 | <10.0.22631.5335 | |
| Windows 11 | <10.0.26100.4061 | |
| Microsoft Windows Server | =sp2 | |
| Microsoft Windows Server | =r2-sp1 | |
| Microsoft Windows Server | ||
| Microsoft Windows Server | =r2 | |
| Microsoft Windows Server 2016 | <10.0.14393.8066 | |
| Microsoft Windows Server 2019 | <10.0.17763.7314 | |
| Microsoft Windows Server 2022 | <10.0.20348.3692 | |
| Microsoft Windows Server 2022 | <10.0.25398.1611 | |
| Microsoft Windows Server 2025 | <10.0.26100.4061 |
Remedy
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
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Reference Links
Frequently Asked Questions
What is the severity of CVE-2025-32701?
CVE-2025-32701 has a critical severity level due to its potential to allow local privilege escalation.
How do I fix CVE-2025-32701?
To fix CVE-2025-32701, apply the latest security updates provided by Microsoft for the affected Windows versions.
Which systems are affected by CVE-2025-32701?
CVE-2025-32701 affects various Windows operating systems including Windows 10, Windows Server 2012, and Windows Server 2022.
Who can exploit CVE-2025-32701?
An authorized attacker with local access can exploit CVE-2025-32701 to elevate their privileges.
When was CVE-2025-32701 disclosed?
CVE-2025-32701 was disclosed as part of Microsoft's security updates in 2025.
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