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CVE-2024-49138— Windows Common Log File System Driver Elevation of Privilege Vulnerability

Quick assessment

Affected
Microsoft Windows 10 Version 1507
Exploitation
Confirmed exploitation in the wild; remediate immediately
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Microsoft Windows Common Log File System Driver是美国微软（Microsoft）公司的通用日志文件系统 (CLFS) API 提供了一个高性能、通用的日志文件子系统，专用客户端应用程序可以使用该子系统并且多个客户端可以共享以优化日志访问。 Microsoft Windows Common Log File System Driver存在安全漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Windows Server 2008 R2 for x64-

CVSS 7.8 · High KEV EPSS 26.21% · P98

Public Exploits 1

ExploitDB · 1 EDB-52270 [local]

Possible ATT&CK Techniques 1 AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 26

VendorProduct Version RangeStatus
Microsoft Windows 10 Version 1507 10.0.10240.0< 10.0.10240.20857 affected
Microsoft Windows 10 Version 1607 10.0.14393.0< 10.0.14393.7606 affected
Microsoft Windows 10 Version 1809 10.0.17763.0< 10.0.17763.6659 affected
Microsoft Windows 10 Version 21H2 10.0.19043.0< 10.0.19044.5247 affected
Microsoft Windows 10 Version 22H2 10.0.19045.0< 10.0.19045.5247 affected
Microsoft Windows 11 version 22H2 10.0.22621.0< 10.0.22621.4602 affected
Microsoft Windows 11 version 22H3 10.0.22631.0< 10.0.22631.4602 affected
Microsoft Windows 11 Version 23H2 10.0.22631.0< 10.0.22631.4602 affected
Microsoft Windows 11 Version 24H2 10.0.26100.0< 10.0.26100.2605 affected
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0< 6.0.6003.23016 affected
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0< 6.1.7601.27467 affected
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0< 6.1.7601.27467 affected
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0< 6.0.6003.23016 affected
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0< 6.0.6003.23016 affected
Microsoft Windows Server 2012 6.2.9200.0< 6.2.9200.25222 affected
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0< 6.2.9200.25222 affected
Microsoft Windows Server 2012 R2 6.3.9600.0< 6.3.9600.22318 affected
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0< 6.3.9600.22318 affected
Microsoft Windows Server 2016 10.0.14393.0< 10.0.14393.7606 affected
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0< 10.0.14393.7606 affected
Microsoft Windows Server 2019 10.0.17763.0< 10.0.17763.6659 affected
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0< 10.0.17763.6659 affected
Microsoft Windows Server 2022 10.0.20348.0< 10.0.20348.2966 affected
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0< 10.0.25398.1308 affected
Microsoft Windows Server 2025 10.0.26100.0< 10.0.26100.2605 affected
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0< 10.0.26100.2605 affected
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I. Basic Information for CVE-2024-49138

Vulnerability Information
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Vulnerability Title
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
Vulnerability Description
Windows Common Log File System Driver Elevation of Privilege Vulnerability
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Source: CVE Program / CVE List V5
Vulnerability Type
堆缓冲区溢出
Source: CVE Program / CVE List V5
Vulnerability Title
Microsoft Windows Common Log File System Driver 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Microsoft Windows Common Log File System Driver是美国微软（Microsoft）公司的通用日志文件系统 (CLFS) API 提供了一个高性能、通用的日志文件子系统，专用客户端应用程序可以使用该子系统并且多个客户端可以共享以优化日志访问。 Microsoft Windows Common Log File System Driver存在安全漏洞。攻击者利用该漏洞可以提升权限。以下产品和版本受到影响：Windows Server 2008 R2 for x64-
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Shenlong Deep Dive — AI Deep Analysis

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Affected Products

Vendor Product Affected Versions CPE Subscribe
Microsoft Windows 10 Version 1507 10.0.10240.0 ~ 10.0.10240.20857 -
Microsoft Windows 10 Version 1607 10.0.14393.0 ~ 10.0.14393.7606 -
Microsoft Windows 10 Version 1809 10.0.17763.0 ~ 10.0.17763.6659 -
Microsoft Windows 10 Version 21H2 10.0.19043.0 ~ 10.0.19044.5247 -
Microsoft Windows 10 Version 22H2 10.0.19045.0 ~ 10.0.19045.5247 -
Microsoft Windows 11 version 22H2 10.0.22621.0 ~ 10.0.22621.4602 -
Microsoft Windows 11 version 22H3 10.0.22631.0 ~ 10.0.22631.4602 -
Microsoft Windows 11 Version 23H2 10.0.22631.0 ~ 10.0.22631.4602 -
Microsoft Windows 11 Version 24H2 10.0.26100.0 ~ 10.0.26100.2605 -
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.23016 -
Microsoft Windows Server 2008 R2 Service Pack 1 6.1.7601.0 ~ 6.1.7601.27467 -
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) 6.1.7601.0 ~ 6.1.7601.27467 -
Microsoft Windows Server 2008 Service Pack 2 6.0.6003.0 ~ 6.0.6003.23016 -
Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) 6.0.6003.0 ~ 6.0.6003.23016 -
Microsoft Windows Server 2012 6.2.9200.0 ~ 6.2.9200.25222 -
Microsoft Windows Server 2012 (Server Core installation) 6.2.9200.0 ~ 6.2.9200.25222 -
Microsoft Windows Server 2012 R2 6.3.9600.0 ~ 6.3.9600.22318 -
Microsoft Windows Server 2012 R2 (Server Core installation) 6.3.9600.0 ~ 6.3.9600.22318 -
Microsoft Windows Server 2016 10.0.14393.0 ~ 10.0.14393.7606 -
Microsoft Windows Server 2016 (Server Core installation) 10.0.14393.0 ~ 10.0.14393.7606 -
Microsoft Windows Server 2019 10.0.17763.0 ~ 10.0.17763.6659 -
Microsoft Windows Server 2019 (Server Core installation) 10.0.17763.0 ~ 10.0.17763.6659 -
Microsoft Windows Server 2022 10.0.20348.0 ~ 10.0.20348.2966 -
Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) 10.0.25398.0 ~ 10.0.25398.1308 -
Microsoft Windows Server 2025 10.0.26100.0 ~ 10.0.26100.2605 -
Microsoft Windows Server 2025 (Server Core installation) 10.0.26100.0 ~ 10.0.26100.2605 -

II. Public POCs for CVE-2024-49138

# POC Description Source Link Shenlong Link
1 POC exploit for CVE-2024-49138 https://github.com/MrAle98/CVE-2024-49138-POC POC Details
2 POC exploit for CVE-2024-49138 https://github.com/aspire20x/CVE-2024-49138-POC POC Details
3 None https://github.com/bananoname/CVE-2024-49138-POC POC Details
4 None https://github.com/DeividasTerechovas/SOC335-CVE-2024-49138-Exploitation-Detected POC Details
5 Hands-on SOC investigation of CVE-2024-49138 using LetsDefend, VirusTotal, Hybrid Analysis, TrueFort, and ChatGPT. https://github.com/CyprianAtsyor/letsdefend-cve-2024-49138-investigation POC Details
6 None https://github.com/Glitch-ao/SOC335-CVE-2024-49138-Exploitation-Detected POC Details
7 This is my biggest project yet: a DLang file encryptor that escalates privileges using CVE-2024-49138 and disables Windows Defender. https://github.com/1rhino2/DLang-file-encryptor POC Details
8 In this lab I walked through an end-to-end intrusion that began with an external RDP break-in, used a brand-new CLFS privilege-escalation exploit (CVE-2024–49138), and ended with SYSTEM-level cloud credential harvesting. Below is the story, the evidence, and the lessons I drew from it. https://github.com/onixgod/SOC335-Event-ID-313-CVE-2024-49138-Exploitation-Detected--Lest-Defend-Writeup POC Details
9 This is my biggest project yet: a DLang file encryptor that escalates privileges using CVE-2024-49138 and disables Windows Defender. https://github.com/1rhino2/SCRAPPED POC Details
10 None https://github.com/codetronik/CVE-2024-49138 POC Details
11 None https://github.com/Bridg3Ops/SOC335-CVE-2024-49138-Exploitation-Detected POC Details
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III. Intelligence Information for CVE-2024-49138

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Vendor Advisories for CVE-2024-49138 (1)

Same Patch Batch · Microsoft · 2024-12-10 · 71 CVEs total

CVE-2024-49112 9.8 CRITICAL Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability
CVE-2024-49125 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49080 8.8 HIGH Windows IP Routing Management Snapin Remote Code Execution Vulnerability
CVE-2024-49117 8.8 HIGH Windows Hyper-V Remote Code Execution Vulnerability
CVE-2024-49086 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49085 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49093 8.8 HIGH Windows Resilient File System (ReFS) Elevation of Privilege Vulnerability
CVE-2024-49102 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49104 8.8 HIGH Windows Routing and Remote Access Service (RRAS) Remote Code Execution Vulnerability
CVE-2024-49063 8.4 HIGH Microsoft/Muzic Remote Code Execution Vulnerability
CVE-2024-49105 8.4 HIGH Remote Desktop Client Remote Code Execution Vulnerability
CVE-2024-49068 8.2 HIGH Microsoft SharePoint Elevation of Privilege Vulnerability
CVE-2024-49108 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49119 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49123 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49124 8.1 HIGH Lightweight Directory Access Protocol (LDAP) Client Remote Code Execution Vulnerability
CVE-2024-49126 8.1 HIGH Windows Local Security Authority Subsystem Service (LSASS) Remote Code Execution Vulnerabi
CVE-2024-49132 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49128 8.1 HIGH Windows Remote Desktop Services Remote Code Execution Vulnerability
CVE-2024-49122 8.1 HIGH Microsoft Message Queuing (MSMQ) Remote Code Execution Vulnerability

Showing top 20 of 71 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Windows 10 Version 1507
Same vendor: Microsoft
Same weakness: CWE-122

V. Comments for CVE-2024-49138

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