An elevation of privilege vulnerability exists when the Windows Universal Plug and Play (UPnP) service improperly allows COM object creation, aka 'Windows UPnP Service Elevation of Privilege Vulnerability'.
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1405
http://packetstormsecurity.com/files/155723/Microsoft-UPnP-Local-Privilege-Elevation.html