CVE-2025-32701KEV · OVERDUECWE-416

Windows Common Log File System Driver Elevation of Privilege Vulnerability

High · published May 13, 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 72.5th percentile for exploit probability.

508
days past CISA
deadline
CVSS v3.1
7.8
EPSS
1%
Percentile
72.5
In the wild
Confirmed
What it is

⚡ A clever use-after-free vulnerability in the Windows Common Log File System Driver can let an attacker elevate their privileges locally — think of it as a sneaky janitor who finds a way to open the doors to restricted areas! 🔑 This vulnerability is like a hotel staff member who discovers an old master key that grants access to all rooms, including the exclusive penthouse. Just as that staff member could wreak havoc, an attacker could exploit this flaw to gain unauthorized control over critical system functions. An attacker exploiting this vulnerability could elevate their privileges to gain full control over the system, potentially accessing sensitive data, modifying system configurations, or even installing malicious software. The consequences could lead to a compromised system, putting all users at risk and causing significant damage.

Put simply

This vulnerability is like a hotel staff member who discovers an old master key that grants access to all rooms, including the exclusive penthouse. Just as that staff member could wreak havoc, an attacker could exploit this flaw to gain unauthorized control over critical system functions. This use-after-free vulnerability allows an attacker with local access to manipulate memory and execute privileged commands, bypassing standard security restrictions in the Windows Common Log File System Driver.

What to do

An attacker exploiting this vulnerability could elevate their privileges to gain full control over the system, potentially accessing sensitive data, modifying system configurations, or even installing malicious software. The consequences could lead to a compromised system, putting all users at risk and causing significant damage. To mitigate this vulnerability, it is crucial to apply the latest security updates from Microsoft that address CVE-2025-32701. Regularly review user permissions and limit access to only the necessary users. Additionally, consider implementing enhanced logging to monitor for unusual activities. You've got this! Stay proactive, apply those patches, and keep your system secure. 🛡️

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
0.01416 · 72.5th percentile
Weakness
CWE-416 · Use After Free
Published
2025-05-13T16:58Z
KEV added
2025-05-13 · due 2025-06-03
EPSS history
Timeline
  • 13 MAY 16:58Z
    Windows Common Log File System Driver Elevation of Privilege Vulnerability
    cvelistv5
  • 13 MAY 00:00Z
    Added to CISA KEV — remediate by Jun 3
    kev