CVEvulnerability

CVE-2024-49138

7.8 HIGH Known exploited Published 2024-12-12 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

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

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

Added to KEV
2024-12-10
Remediation due
2024-12-31
Ransomware use
Unknown
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
Status
Analyzed
Published
2024-12-12
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weaknesses
CWE-122

Description

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Affected configurations

• microsoft windows 10 1507 (< 10.0.10240.20857) • microsoft windows 10 1607 (< 10.0.14393.7606) • microsoft windows 10 1809 (< 10.0.17763.6659) • microsoft windows 10 21h2 (< 10.0.19044.5247) • microsoft windows 10 22h2 (< 10.0.19045.5247) • microsoft windows 11 22h2 (< 10.0.22621.4602) • microsoft windows 11 23h2 (< 10.0.22631.4602) • microsoft windows 11 24h2 (< 10.0.26100.2605) • microsoft windows server 2008 • microsoft windows server 2008 r2 • microsoft windows server 2008 sp2 • microsoft windows server 2012 • microsoft windows server 2012 r2 • microsoft windows server 2016 (< 10.0.14393.7606) • microsoft windows server 2019 (< 10.0.17763.6659) • microsoft windows server 2022 (< 10.0.20348.2966) • microsoft windows server 2022 23h2 (< 10.0.25398.1308) • microsoft windows server 2025 (< 10.0.26100.2605)

Related

Weakness · CWE (1)

  • CWE-122 Heap-based Buffer Overflow weakness

References