CVE-2023-23376highunder attackransomwareCWE-122

CVE-2023-23376: high-severity vulnerability in Microsoft Windows 10 Version 1507

Windows Common Log File System Driver Elevation of Privilege Vulnerability

Published · Updated

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56Vexday Risk Score

Prioritize patching. It under exploitation confirmed by CISA.

ssvc Actcvss 7.8epss 11%
from disclosure to weapon
Published on NVDFeb 14
CISA KEVFeb 14
Action required by CISAfederal deadline: 2023-03-07

Apply updates per vendor instructions.

In short

A flaw in Windows' logging system driver allows a user with basic access to gain higher privileges and take full control of the computer. This is dangerous because it lets attackers bypass security restrictions.

Technical detail

A buffer overflow vulnerability in the Common Log File System (CLFS) driver enables local privilege escalation through crafted I/O control requests. An authenticated attacker can trigger memory corruption to execute code with kernel privileges, bypassing normal access controls.

Summary generated and translated by AI from the official description.

The full analysis of this CVE is available in Portuguese →

Windows Common Log File System Driver Elevation of Privilege Vulnerability
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