The App Container feature in the kernel-mode drivers in Microsoft Windows 8, Windows Server 2012, and Windows RT allows remote attackers to bypass intended access restrictions and obtain sensitive information from a different container via a Trojan horse application, aka "App Container Elevation of Privilege Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18912
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-081