SB2020101367 - Privilege escalation in Microsoft Windows - User Profile Service
Published: October 13, 2020
Security Bulletin ID
SB2020101367
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-2020-16940)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Windows User Profile Service (ProfSvc) handles junction points. A local user can create a malicious application, launch it on the system and delete files and folders in an elevated context.
To exploit this vulnerability, an attacker would first have to log on to the system.
Remediation
Install update from vendor's website.