CVE-2025-29824KEV · OVERDUECWE-416

Windows Common Log File System Driver Elevation of Privilege Vulnerability

High · published April 8, 2025

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 96.5th percentile for exploit probability.

543
days past CISA
deadline
CVSS v3.1
7.8
EPSS
14%
Percentile
96.5
In the wild
Confirmed
What it is

🚨 A crafty use-after-free vulnerability in the Windows Common Log File System Driver lets authorized attackers elevate their privileges locally—like slipping behind the counter at your favorite café and having access to everything! ☕ Imagine you're at a café where only certain staff can access the kitchen. Now, picture someone sneaking in, using a forgotten key that someone left lying around, and suddenly they can whip up whatever they want behind the scenes. That's what this vulnerability allows! An attacker could exploit this vulnerability to gain unauthorized access to sensitive areas of the system, potentially taking control of critical functions and wreaking havoc. It's like handing the keys of the kingdom to someone who shouldn't even be in the castle! ⚡

Put simply

Imagine you're at a café where only certain staff can access the kitchen. Now, picture someone sneaking in, using a forgotten key that someone left lying around, and suddenly they can whip up whatever they want behind the scenes. That's what this vulnerability allows! This use-after-free vulnerability occurs in the Windows Common Log File System Driver, allowing an authorized user to manipulate memory and elevate their privileges, thus gaining unauthorized control over the system.

What to do

An attacker could exploit this vulnerability to gain unauthorized access to sensitive areas of the system, potentially taking control of critical functions and wreaking havoc. It's like handing the keys of the kingdom to someone who shouldn't even be in the castle! ⚡ To safeguard against this vulnerability, ensure you patch your systems to the latest version provided by Microsoft promptly. Additionally, regularly audit user access permissions to minimize risks. 🛡️ You've got this! Stay proactive, and let’s keep our systems safe together! 🔒

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:F/RL:O/RC:C
CVSS v4.0
Not supplied
EPSS
0.13904 · 96.5th percentile
Weakness
CWE-416 · Use After Free
Published
2025-04-08T17:23Z
KEV added
2025-04-08 · due 2025-04-29
EPSS history
Timeline
  • 08 APR 17:23Z
    Windows Common Log File System Driver Elevation of Privilege Vulnerability
    cvelistv5
  • 08 APR 00:00Z
    Added to CISA KEV — remediate by Apr 29
    kev