SB2021011234 - Privilege escalation in Microsoft Windows Update Stack



SB2021011234 - Privilege escalation in Microsoft Windows Update Stack

Published: January 12, 2021

Security Bulletin ID SB2021011234
Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Code execution

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 security vulnerability.


1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2021-1694)

The vulnerability allows a remote attacker on the local network to escalate privileges on the system.

The vulnerability exists due to application does not properly impose security restrictions in Windows Update Stack, which leads to security restrictions bypass and privilege escalation.


Remediation

Install update from vendor's website.