peter bassill · operator
$ cve CVE-2024-49138 JSON

CVE-2024-49138 KEV EXPLOIT

7.8
HIGH · CVSS 3.1 · EPSS 26.2% (pctl 98)

Patch first

On CISA KEV — known exploited in the wild, due 2024-12-31.

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Scoring

CVSS7.8 (HIGH, v3.1)
VectorCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS26.22% — more likely to be exploited than 98% of all CVEs
WeaknessCWE-122
On CISA KEVyes — remediate by 2024-12-31
Public exploityes
Published2024-12-12
Last modified2026-06-17

CISA KEV

NameMicrosoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability
Added2024-12-10
Due2024-12-31
Vendor / productMicrosoft / Windows
Ransomware usenone reported

Affected (15)

VendorProduct
microsoftwindows 10 1507
microsoftwindows 10 1607
microsoftwindows 10 1809
microsoftwindows 10 21h2
microsoftwindows 10 22h2
microsoftwindows 11 22h2
microsoftwindows 11 23h2
microsoftwindows 11 24h2
microsoftwindows server 2008
microsoftwindows server 2012
microsoftwindows server 2016
microsoftwindows server 2019
microsoftwindows server 2022
microsoftwindows server 2022 23h2
microsoftwindows server 2025

Public exploits

SourceTitleDate
exploit-dbMicrosoft Windows 11 23h2 - CLFS.sys Elevation of Privilege2025-04-22

References

→ the Explorer  ·  watch your stack  ·  NVD