SB2019072403 - Seccurity restrictions bypass in System Management Automation for PowerShell
Published: July 24, 2019
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Improper access control (CVE-ID: CVE-2019-1167)
The vulnerability allows a local attacker to gain unauthorized access to sensitive information.
The vulnerability exists due to improper access restrictions in Windows Defender Application Control (WDAC). A local administrator can bypass WDAC enforcement, circumvent PowerShell Core Constrained Language Mode on the machine and access resources in an unintended way.
Remediation
Install update from vendor's website.