CVE-2024-49138—Microsoft Windows Common Log File System (CLFS) Driver Heap-Based Buffer Overflow Vulnerability

Vulnerability Name

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

Description

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

Known To Be Used in Ransomware Campaigns?

Ransomware Status:

Unknown

Action

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

Additional Notes

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

Related News Articles

• Microsoft Patches 125 Flaws Including Actively Exploited Windows CLFS VulnerabilityApril 9, 2025
• Microsoft Patches 126 Flaws Including Actively Exploited Windows CLFS VulnerabilityApril 9, 2025
• Microsoft Fixes 72 Flaws, Including Patch for Actively Exploited CLFS VulnerabilityDecember 11, 2024
• Microsoft fixes exploited zero-day (CVE-2024-49138)December 10, 2024
• Microsoft December 2024 Patch Tuesday fixes 1 exploited zero-day, 71 flawsDecember 10, 2024

Related Weaknesses

• CWE-122