Zero-day vulnerability in Windows

Buffer overflow
CVE-2022-37969

Vulnerability details

Advisory: SB2022091342 - Privilege escalation in Microsoft Windows common log file system driver

Vulnerable component: Windows

CVE-ID: CVE-2022-37969

CVSSv3 score: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H/E:H/RL:O/RC:C

CWE-ID: CWE-119 - Memory corruption

Description:

The vulnerability allows a local user to escalate privileges on the system.

The vulnerability exists due to a boundary error within the Windows Common Log File System Driver. A local unprivileged user can run a specially crafted program to trigger memory corruption and execute arbitrary code with SYSTEM privileges.

Note, the vulnerability is being actively exploited in the wild.

External links:

https://msrc.microsoft.com/update-guide/en-US/vulnerability/CVE-2022-37969