CVE Watch—

CVE-2024-49138

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

CVSS

—

No CVSS

EPSS

25.4%

p98

KEV

YES

Dec 10, 2024

Exploit Today

0-100

Published: — · Last modified: —

EPSS · 30d

25.4%EPSS · 30 days25.4%

2026-06-302026-07-16

KEV catalog record

Product

Microsoft / Windows

Vulnerability

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

Added to KEV

Dec 10, 2024

Remediate by

Dec 31, 2024

Known ransomware use

Summary description

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

Required action

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

Notes

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2024-49138 ; https://nvd.nist.gov/vuln/detail/CVE-2024-49138

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