Security feature bypass

The Task Scheduler in Microsoft Windows 7 SP1, Windows Server 2008 R2 SP1, Windows 8, Windows 8.1, Windows Server 2012 Gold and R2, and Windows RT Gold and 8.1 does not properly constrain impersonation levels, which allows local users to bypass intended restrictions on launching executable files via a crafted task, aka “Task Scheduler Security Feature Bypass Vulnerability.”