CVE-2024-49138: Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability
First published: Tue Dec 10 2024(Updated: )
Microsoft Windows Common Log File System (CLFS) driver contains a heap-based buffer overflow vulnerability that allows a local attacker to escalate privileges.
Credit: secure@microsoft.com secure@microsoft.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows 10 | =1607 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2012 R2 | ||
| Microsoft Windows Server 2019 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows 10 | =1809 | |
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows 11 | =22H2 | |
| Microsoft Windows Server 2022 | ||
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 10 | =22H2 | |
| Microsoft Windows Server 2019 | ||
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 10 | ||
| Microsoft Windows Server 2008 R2 | ||
| Microsoft Windows 11 | =23H2 | |
| Microsoft Windows 10 | =21H2 | |
| Microsoft Windows Server 2016 | ||
| Microsoft Windows 11 | =24H2 | |
| Microsoft Windows Server 2025 | ||
| Microsoft Windows Server 2025 | ||
| Microsoft Windows | ||
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2022 23H2 | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows Server 2008 Itanium | ||
| Microsoft Windows 10 1507 | <10.0.10240.20857 | |
| Microsoft Windows 10 1507 | <10.0.10240.20857 | |
| Microsoft Windows 10 Version 1607 x86 | <10.0.14393.7606 | |
| Microsoft Windows 10 Version 1607 x86 | <10.0.14393.7606 | |
| Microsoft Windows 10 1809 | <10.0.17763.6659 | |
| Microsoft Windows 10 1809 | <10.0.17763.6659 | |
| Microsoft Windows 10 21h2 | <10.0.19044.5247 | |
| Microsoft Windows 10 21h2 | <10.0.19044.5247 | |
| Microsoft Windows 10 21h2 | <10.0.19044.5247 | |
| Microsoft Windows 10 22h2 | <10.0.19045.5247 | |
| Microsoft Windows 10 22h2 | <10.0.19045.5247 | |
| Microsoft Windows 10 22h2 | <10.0.19045.5247 | |
| Microsoft Windows 11 22h2 | <10.0.22621.4602 | |
| Microsoft Windows 11 22h2 | <10.0.22621.4602 | |
| Microsoft Windows 11 23h2 | <10.0.22631.4602 | |
| Microsoft Windows 11 23h2 | <10.0.22631.4602 | |
| Microsoft Windows 11 Home Edition | <10.0.26100.2605 | |
| Microsoft Windows 11 Home Edition | <10.0.26100.2605 | |
| Microsoft Windows Server 2008 Itanium | =sp2 | |
| Microsoft Windows Server 2008 Itanium | =r2-sp1 | |
| Microsoft Windows Server 2008 Itanium | =sp2 | |
| Microsoft Windows Server 2012 x64 | ||
| Microsoft Windows Server 2012 x64 | =r2 | |
| Microsoft Windows Server 2016 | <10.0.14393.7606 | |
| Microsoft Windows Server 2019 | <10.0.17763.6659 | |
| Microsoft Windows Server 2022 | <10.0.20348.2966 | |
| Microsoft Windows Server 2022 23H2 | <10.0.25398.1308 | |
| Microsoft Windows Server 2025 | <10.0.26100.2605 |
Remedy
Apply mitigations per vendor instructions 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-2024-49138?
CVE-2024-49138 is classified as a Critical vulnerability due to its potential to allow a local attacker to escalate privileges.
How do I fix CVE-2024-49138?
To mitigate CVE-2024-49138, apply the patches provided by Microsoft for your specific version of Windows.
What versions of Windows are affected by CVE-2024-49138?
CVE-2024-49138 affects multiple versions of Windows, including Windows 10, Windows 11, and various Windows Server editions.
Can CVE-2024-49138 be exploited remotely?
No, CVE-2024-49138 requires local access to the system for exploitation to escalate privileges.
What type of vulnerability is CVE-2024-49138?
CVE-2024-49138 is a heap-based buffer overflow vulnerability specifically found in the Microsoft Windows Common Log File System driver.
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