Dec 2024: Windows Common Log File System Driver Elevation of Privilege Vulnerability
CVE-2024-49138 Published on December 12, 2024

Windows Common Log File System Driver Elevation of Privilege Vulnerability
Windows Common Log File System Driver Elevation of Privilege Vulnerability

Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Windows Common Log File System (CLFS) driver contains a heap-based buffer overflow vulnerability that allows a local attacker to escalate privileges.

The following remediation steps are recommended / required by December 31, 2024: Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Weakness Type

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

Products Associated with CVE-2024-49138

You can be notified by email with stack.watch whenever vulnerabilities like CVE-2024-49138 are published in these products:

Microsoft Windows Server 2008

Microsoft Windows Server 2012

Microsoft Windows 10

Microsoft Windows 10 1507

Microsoft Windows 11 24h2

Microsoft Windows Server 2022 23h2

Microsoft Windows Server 2025

Microsoft Windows Server 2019

Microsoft Windows Server 2022

Microsoft Windows Server 2016

Microsoft Windows 11 23h2

Microsoft Windows 11

Microsoft Windows Server 23h2

Microsoft Windows Server 2008 Sp2

Microsoft Windows Server 2008 R2

Microsoft Windows Server 2012 R2

Affected Versions

Microsoft Windows 10 Version 1809:

Version 10.0.17763.0 and below 10.0.17763.6659 is affected.

Microsoft Windows Server 2019:

Version 10.0.17763.0 and below 10.0.17763.6659 is affected.

Microsoft Windows Server 2019 (Server Core installation):

Version 10.0.17763.0 and below 10.0.17763.6659 is affected.

Microsoft Windows Server 2022:

Version 10.0.20348.0 and below 10.0.20348.2966 is affected.

Microsoft Windows 10 Version 21H2:

Version 10.0.19043.0 and below 10.0.19044.5247 is affected.

Microsoft Windows 11 version 22H2:

Version 10.0.22621.0 and below 10.0.22621.4602 is affected.

Microsoft Windows 10 Version 22H2:

Version 10.0.19045.0 and below 10.0.19045.5247 is affected.

Microsoft Windows Server 2025 (Server Core installation):

Version 10.0.26100.0 and below 10.0.26100.2605 is affected.

Microsoft Windows 11 version 22H3:

Version 10.0.22631.0 and below 10.0.22631.4602 is affected.

Microsoft Windows 11 Version 23H2:

Version 10.0.22631.0 and below 10.0.22631.4602 is affected.

Microsoft Windows Server 2022, 23H2 Edition (Server Core installation):

Version 10.0.25398.0 and below 10.0.25398.1308 is affected.

Microsoft Windows 11 Version 24H2:

Version 10.0.26100.0 and below 10.0.26100.2605 is affected.

Microsoft Windows Server 2025:

Version 10.0.26100.0 and below 10.0.26100.2605 is affected.

Microsoft Windows 10 Version 1507:

Version 10.0.10240.0 and below 10.0.10240.20857 is affected.

Microsoft Windows 10 Version 1607:

Version 10.0.14393.0 and below 10.0.14393.7606 is affected.

Microsoft Windows Server 2016:

Version 10.0.14393.0 and below 10.0.14393.7606 is affected.

Microsoft Windows Server 2016 (Server Core installation):

Version 10.0.14393.0 and below 10.0.14393.7606 is affected.

Microsoft Windows Server 2008 Service Pack 2:

Version 6.0.6003.0 and below 6.0.6003.23016 is affected.

Microsoft Windows Server 2008 Service Pack 2 (Server Core installation):

Version 6.0.6003.0 and below 6.0.6003.23016 is affected.

Microsoft Windows Server 2008 Service Pack 2:

Version 6.0.6003.0 and below 6.0.6003.23016 is affected.

Microsoft Windows Server 2008 R2 Service Pack 1:

Version 6.1.7601.0 and below 6.1.7601.27467 is affected.

Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation):

Version 6.1.7601.0 and below 6.1.7601.27467 is affected.

Microsoft Windows Server 2012:

Version 6.2.9200.0 and below 6.2.9200.25222 is affected.

Microsoft Windows Server 2012 (Server Core installation):

Version 6.2.9200.0 and below 6.2.9200.25222 is affected.

Microsoft Windows Server 2012 R2:

Version 6.3.9600.0 and below 6.3.9600.22318 is affected.

Microsoft Windows Server 2012 R2 (Server Core installation):

Version 6.3.9600.0 and below 6.3.9600.22318 is affected.

Exploit Probability

EPSS

85.68%

Percentile

99.35%

EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.