Is CVE-2024-49138 actively exploited?

Yes. CVE-2024-49138 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, which means exploitation in the wild has been confirmed.

Can CVE-2024-49138 be exploited remotely?

The attack vector of CVE-2024-49138 has not been classified yet.

What is the CVSS score of CVE-2024-49138?

CVE-2024-49138 has not received a CVSS score yet.

HOME VULNERABILITIESCVE-2024-49138

HIGHCISA KEVIN THE WILD

CVE-2024-49138

Published: December 10, 2024

EPSS:85.68%probability of exploitation in 30 daysPercentile:99.4th

Official Description

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

NVD Source

CISA KEV Advisory

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

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: 2024-12-10Federal patch deadline: 2024-12-31

Required Action (CISA)

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

Risk Analysis

A heap-based buffer overflow in the Microsoft Windows Common Log File System (CLFS) driver allows a local attacker to escalate privileges. The high EPSS score of 0.85681 indicates a very high likelihood of this vulnerability being exploited.

This vulnerability is actively being exploited in the wild and is present in CISA's KEV catalog. Attackers are leveraging this flaw for privilege escalation.

Recommended Action

Apply the latest security updates from Microsoft for Windows to patch the CLFS driver. Ensure systems are regularly updated to mitigate local privilege escalation risks.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2024-49138 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation requires some privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CISA has added CVE-2024-49138 to the Known Exploited Vulnerabilities (KEV) catalog, confirming active exploitation in the wild. U.S. federal agencies are required to patch this within the mandated timeframe, and all organizations should treat remediation as urgent.