Main Vulnerability Database Vulnerabilities #VU53890

#VU53890 Improper Privilege Management in Windows and Windows Server - CVE-2021-31955

Published: June 8, 2021 / Updated: October 18, 2021

Vulnerability identifier: #VU53890

Vulnerability risk: Medium

CVSSv4.0: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:A/U:Green

CVE-ID: CVE-2021-31955

CWE-ID: CWE-269

Exploitation vector: Local access

Exploit availability: The vulnerability is being exploited in the wild

Vulnerable software:
Windows
Windows Server

Software vendor:
Microsoft

Description

The vulnerability allows a local user to gain access to sensitive information.

The vulnerability exists due to improper privilege management. A local unprivileged user can read contents of Kernel memory from a user mode process.

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

Install updates from vendor's website.