Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability
Microsoft — Windows 10 Version 1507
Windows Common Log File System Driver Elevation of Privilege Vulnerability
7.8
25.4%
Vector breakdown
- Attack vector
- Local
- Attack complexity
- Low
- Privileges required
- Low
- User interaction
- None
- Scope
- Unchanged
- Confidentiality
- High
- Integrity
- High
- Availability
- High
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Published
- Dec 12, 2024
- Modified
- Jun 17, 2026
- Added to KEV
- Dec 10, 2024
- Federal patch due
- Dec 31, 2024
CISA required action
Apply mitigations per vendor instructions or discontinue use of the product if mitigations are unavailable.
Weakness classification
Affected packages
Proof-of-concept & exploitation references
8 foundWeaponization
Public repositories whose name or description references CVE-2024-49138, found via a live GitHub search at request time. These are community-sourced signals, not a verified working exploit - cross-check each one before relying on it, and treat higher star counts and recent activity as (weak) corroboration, not proof.
- MrAle98/CVE-2024-49138-POC★ 271
POC exploit for CVE-2024-49138
updated Oct 13, 2026
- Zedocun/soc-investigation-powershell-edrfreeze★ 1
SOC investigation of CVE-2024-49138 exploitation alert involving PowerShell, EDRFreeze execution, and defense evasion behavior in a simulated environment.
updated Mar 27, 2026
- vettrivel007/CVE-2024-49138★ 0
updated Apr 4, 2026
- bananoname/CVE-2024-49138-POC★ 0
updated Jan 21, 2025
- CyprianAtsyor/letsdefend-cve-2024-49138-investigation★ 0
Hands-on SOC investigation of CVE-2024-49138 using LetsDefend, VirusTotal, Hybrid Analysis, TrueFort, and ChatGPT.
updated Apr 23, 2025
- Adisasoc/CVE-2024-49138-SOC-Investigation★ 0
SOC investigation of CVE-2024-49138 exploitation involving brute-force activity, PowerShell execution, malicious payload analysis, privilege escalation, and incident response.
updated Sep 2, 2026
- basitsajidSOC/SOC-Investigation-CVE-2024-49138★ 0
Investigation and Incident Response report for LetsDefend Alert SOC335 (CVE-2024-49138 Exploitation)
updated Aug 22, 2026
- NadineElliottCyber/SOC335-CVE-2024-49138-Investigation★ 0
SOC investigation of a CVE-2024-49138 exploitation alert using log analysis, threat intelligence, and endpoint containment.
updated Aug 30, 2026
References
Frequently asked questions
What is CVE-2024-49138?
Windows Common Log File System Driver Elevation of Privilege Vulnerability
How severe is CVE-2024-49138?
CVE-2024-49138 has a CVSS base score of 7.8 out of 10 (CVSS 3.1).
Is CVE-2024-49138 actively exploited in the wild?
Yes. CVE-2024-49138 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added Dec 10, 2024, meaning CISA has confirmed evidence of active exploitation.
What is the EPSS score for CVE-2024-49138?
25.4% - meaning FIRST.org's EPSS model estimates a 25.4% probability this vulnerability will be exploited in the wild within 30 days (98% percentile among all scored CVEs).
Is there exploit tooling available for CVE-2024-49138?
We found 8 public GitHub repositories referencing CVE-2024-49138, though none matched a known Nuclei template or Metasploit module at last check. Review each one before relying on it - see the proof-of-concept section above.
What type of vulnerability is CVE-2024-49138?
CVE-2024-49138 is classified under CWE-122 (CWE-122: Heap-based Buffer Overflow).
Cross-checked against
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