An elevation of privilege vulnerability exists when the Windows AppX Deployment Server improperly handles junctions.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Windows Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2019-1215, CVE-2019-1278, CVE-2019-1303.
AppXSvc version 17763.1.amd64fre.rs5_release.180914-1434 suffers from an arbitrary file security descriptor overwrite privilege escalation vulnerability.