Task Scheduler in Microsoft Windows 7 SP1 and Windows Server 2008 R2 SP1 allows local users to gain privileges by triggering application execution by an invalid task, aka "Task Scheduler Elevation of Privilege Vulnerability."
https://euvd.enisa.europa.eu/vulnerability/EUVD-2015-0136
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2015/ms15-037