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

HIGH 7.8EXPLOITED (CISA KEV)CVE-2024-49138 · Published 12/12/2024 · updated 17/06/2026

Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 10/12/2024. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
Windows Microsoft	Versions not published yet (product named by CISA KEV)

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

References

msrc.microsoft.com/update-guide/vulnerability/CVE-2024-49138 · Patch
packetstorm.news/files/id/190585 · Exploit
exploit-db.com/exploits/52270 · Exploit
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2024-49138

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