SB2020101325 - Privilege escalation in Microsoft Group Policy



SB2020101325 - Privilege escalation in Microsoft Group Policy

Published: October 13, 2020

Security Bulletin ID SB2020101325
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Local access
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Buffer overflow (CVE-ID: CVE-2020-16939)

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

The vulnerability exists due to a boundary error when Group Policy improperly checks access. A local user can use a specially crafted application to trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Remediation

Install update from vendor's website.