CVE-2022-24521KEV · OVERDUE

Windows Common Log File System Driver Elevation of Privilege Vulnerability

High · published April 15, 2022

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 94.3th percentile for exploit probability.

1635
days past CISA
deadline
CVSS v3.1
7.8
EPSS
7%
Percentile
94.3
In the wild
Confirmed
What it is

🚨 A crafty attacker can exploit a flaw in the Windows Common Log File System Driver to elevate privileges without breaking a sweat! ⚡ Think of this vulnerability like a sneaky employee who finds a way to access the executive lounge without the proper credentials — once inside, they can access sensitive information and make unauthorized changes. 🏢 An attacker could leverage this vulnerability to gain elevated privileges, potentially allowing them to run arbitrary code with system-level access. This means they could manipulate system files, install malicious software, or completely take control of the system, leading to catastrophic data breaches or system failures.

Put simply

Think of this vulnerability like a sneaky employee who finds a way to access the executive lounge without the proper credentials — once inside, they can access sensitive information and make unauthorized changes. 🏢 This vulnerability allows unauthorized users to exploit the Windows Common Log File System Driver, enabling them to escalate their privileges to a higher level and execute harmful commands or programs.

What to do

An attacker could leverage this vulnerability to gain elevated privileges, potentially allowing them to run arbitrary code with system-level access. This means they could manipulate system files, install malicious software, or completely take control of the system, leading to catastrophic data breaches or system failures. To mitigate this issue, ensure your Windows systems are updated to the latest security patches. Specifically, apply the updates released after March 2022 that address CVE-2022-24521. Regularly audit your systems for any unusual activity, as this vulnerability is known to be exploited in the wild. You've got this! Stay vigilant and keep your systems patched to maintain security! 🛡️

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
0.07134 · 94.3th percentile
Published
2022-04-15T19:03Z
KEV added
2022-04-13 · due 2022-05-04
EPSS history
Timeline
  • 15 APR 19:03Z
    Windows Common Log File System Driver Elevation of Privilege Vulnerability
    cvelistv5
  • 13 APR 00:00Z
    Added to CISA KEV — remediate by May 4
    kev