Is CVE-2024-49138 in the CISA KEV catalog?

Yes. CVE-2024-49138 is on the CISA Known Exploited Vulnerabilities list, added 2024-12-10.

What is the CVSS severity of CVE-2024-49138?

CVE-2024-49138 has a CVSS v3 base score of 7.8 (HIGH).

What is the EPSS score for CVE-2024-49138?

CVE-2024-49138 has an EPSS score of 25.41% (98th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2024-49138?

Install KB5048703 for Windows 10. Fixes are available for 23 affected products.

CVE & CISA-KEV Catalog

CVE-2024-49138

HIGHCISA KEVEPSS 98th pctl

7.8

CVSS v3

NVD

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

CWE-122Heap-based Buffer Overflow

How to fix

Remediation Available

Windows 10Windows

Install:KB5048703Microsoft

Windows 10 Version 1607Windows

Install:KB5048671Microsoft

Windows 10 Version 1809Windows

Install:KB5048661Microsoft

Windows 10 Version 21H2Windows

Install:KB5048652Microsoft

Windows 10 Version 22H2Windows

Install:KB5048652Microsoft

Windows 11 Version 22H2Windows

Install:KB5048685Microsoft

Windows 11 Version 23H2Windows

Install:KB5048685Microsoft

Windows 11 Version 24H2Windows

Install:KB5048794Microsoft

Install:KB5048667Microsoft

Windows Server 2008Windows

Install:KB5048710Microsoft

Install:KB5048744Microsoft

Windows Server 2008 R2Windows

Install:KB5048695Microsoft

Install:KB5048676Microsoft

Windows Server 2012Windows

Install:KB5048699Microsoft

Windows Server 2012 (Server Core installation)Windows

Install:KB5048699Microsoft

Windows Server 2012 R2Windows

Install:KB5048735Microsoft

Windows Server 2012 R2 (Server Core installation)Windows

Install:KB5048735Microsoft

Windows Server 2016Windows

Install:KB5048671Microsoft

Windows Server 2016 (Server Core installation)Windows

Install:KB5048671Microsoft

Windows Server 2019Windows

Install:KB5048661Microsoft

Windows Server 2019 (Server Core installation)Windows

Install:KB5048661Microsoft

Windows Server 2022Windows

Install:KB5048800Microsoft

Install:KB5048654Microsoft

Windows Server 2022 (Server Core installation)Windows

Install:KB5048800Microsoft

Install:KB5048654Microsoft

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

Install:KB5048653Microsoft

Windows Server 2025Windows

Install:KB5048667Microsoft

Install:KB5048794Microsoft

Windows Server 2025 (Server Core installation)Windows

Install:KB5048667Microsoft

Install:KB5048794Microsoft

TridentStack Control can deploy fixes like this automatically across your Windows, macOS, and Linux fleet. See how it works

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorLocal

Attack ComplexityLow

Privileges RequiredLow

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Exploit Intelligence

25.41%probability of exploitation in 30 days

98thpercentile

Very high risk: more likely to be exploited than 98% of all known CVEs.

Known Exploited Vulnerability (CISA KEV)

Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability

Microsoft Windows Common Log File System (CLFS) driver contains a heap-based buffer overflow vulnerability that allows a local attacker to escalate privileges.

Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.

Remediation due: 2024-12-31

References

Patch1

msrc.microsoft.com

Exploit2

Government Resource1

cisa.gov

Related Vulnerabilities

Other CWE-122 (Heap-based Buffer Overflow) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2015-3113	Critical	9.8	100%	KEV	Fix
CVE-2024-26256	High	7.8	88%	-	Fix
CVE-2020-25687	Medium	5.9	87%	-	Fix
CVE-2009-3459	High	8.8	87%	KEV	Fix
CVE-2021-21017	High	8.8	86%	KEV	-
CVE-2020-25683	Medium	5.9	86%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-10-28.