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

CVSS 7.8 · High KEV EPSS 25.41% · P98 Updated Jun 13, 2026

Public Exploits 1

In-the-Wild Activity Observed cisa_kev · confirmed

Possible ATT&CK Techniques 1AI

T1068 · Exploitation for Privilege Escalation

Affected Version Matrix 26

Vendor	Product	Version Range	Status
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
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

AI-Generated POCPremium

No public POC found.

III. Intelligence Information for CVE-2024-49138

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Vendor Advisories for CVE-2024-49138 (1)

CVE-2024-49138 - Security Update Guide - Microsoft - Windows Common Log File System Driver Elevation of Privilege Vulnerabilityvendor-advisory

https://www.cve.org/CVERecord?id=CVE-2024-49138

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 → →

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

Public Exploits 1

Possible ATT&CK Techniques 1AI

Affected Version Matrix 26

I. Basic Information for CVE-2024-49138

Vulnerability Information

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Vulnerability Title

Vulnerability Description

CVSS Information

Vulnerability Type

Shenlong Deep Dive — AI Deep Analysis

Affected Products

II. Public POCs for CVE-2024-49138

III. Intelligence Information for CVE-2024-49138

Vendor Advisories for CVE-2024-49138 (1)

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

IV. Related Vulnerabilities

V. Comments for CVE-2024-49138

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