SB2021060815 - OS Kernel information disclosure Microsoft Windows



SB2021060815 - OS Kernel information disclosure Microsoft Windows

Published: June 8, 2021 Updated: June 27, 2021

Security Bulletin ID SB2021060815
Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Information disclosure

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Improper Privilege Management (CVE-ID: CVE-2021-31955)

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.


Remediation

Install update from vendor's website.