SB2020090874 - Privilege escalation in Windows Defender
Published: September 8, 2020
Security Bulletin ID
SB2020090874
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Permissions, Privileges, and Access Controls (CVE-ID: CVE-2020-0951)
The vulnerability allows a local user to bypass implemented security restrictions.
The vulnerability exists in Windows Defender Application Control (WDAC), which could allow an attacker to bypass WDAC enforcement. To exploit the vulnerability, an attacker need administrator access on a local machine where PowerShell is running. The attacker could then connect to a PowerShell session and send commands to execute arbitrary code.
Remediation
Install update from vendor's website.