SB2019041001 - Privilege escalation in Windows AppX Deployment Service
Published: April 10, 2019
Security Bulletin ID
SB2019041001
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) Input validation error (CVE-ID: CVE-2019-0841)
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to the way Windows AppX Deployment Service (AppXSVC) handles hard links. A local user can create a malicious application, launch it on the system and run processes in an elevated context.
Remediation
Install update from vendor's website.