CVE-2024-49138KEV · OVERDUECWE-122

Windows Common Log File System Driver Elevation of Privilege Vulnerability

High · published December 10, 2024

Patch now

Confirmed exploited, and the score agrees

CVSS calls it high at 7.8. It is confirmed in active exploitation. It sits in the 98.0th percentile for exploit probability.

662
days past CISA
deadline
CVSS v3.1
7.8
EPSS
26%
Percentile
98.0
In the wild
Confirmed
What it is

🚨 A crafty elevation of privilege vulnerability lurks in the Windows Common Log File System Driver! This could let attackers gain higher access with just a little finesse. ⚡ Think of it like a hotel concierge who can take guests from a basic room to the penthouse suite without any authorization checks — a dangerous shortcut that could let anyone in. 🏨 If an attacker exploits this vulnerability, they can gain unauthorized access to sensitive system functions or data, potentially taking control of critical system components. This isn’t just a data breach; it could lead to complete system compromise, making it an urgent issue to address!

Put simply

Think of it like a hotel concierge who can take guests from a basic room to the penthouse suite without any authorization checks — a dangerous shortcut that could let anyone in. 🏨 CVE-2024-49138 allows attackers to exploit the Windows Common Log File System Driver by manipulating system calls to gain elevated privileges, bypassing normal security protocols.

What to do

If an attacker exploits this vulnerability, they can gain unauthorized access to sensitive system functions or data, potentially taking control of critical system components. This isn’t just a data breach; it could lead to complete system compromise, making it an urgent issue to address! To protect your systems, immediately apply the latest patches from Microsoft. Regularly review your security settings and consider implementing additional monitoring for suspicious activities to catch any unauthorized access attempts. 🛡️ You've got this! With prompt action, you can secure your system against this vulnerability and maintain your security hero status! 🌟

The record
Technical detail
CVSS v3.1
7.8 · HIGH
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.26215 · 98.0th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2024-12-10T17:49Z
KEV added
2024-12-10 · due 2024-12-31
EPSS history
Timeline
  • 10 DEC 17:49Z
    Windows Common Log File System Driver Elevation of Privilege Vulnerability
    cvelistv5
  • 10 DEC 00:00Z
    Added to CISA KEV — remediate by Dec 31
    kev