SB2018071024 - Security restrictions bypass in Microsoft Windows Device Guard
Published: July 10, 2018
Security Bulletin ID
SB2018071024
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Data manipulation
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Security restrictions bypass (CVE-ID: CVE-2018-8222)
The vulnerability allows a local attacker to bypass security restrictions on the target system.
The vulnerability exists in Device Guard due to improper exposure of functions and processes user supplied code. A local attacker can inject code into a trusted PowerShell process, run it with the same trust level as the script and bypass the Device Guard Code Integrity policy on the local machine.
Remediation
Install update from vendor's website.