The Client/Server Run-time Subsystem (CSRSS) in Microsoft Windows XP SP2 and SP3, Server 2003 SP2, Vista SP2, and Server 2008 SP2 does not properly handle objects in memory, which allows local users to gain privileges via a crafted application, aka "CSRSS Memory Corruption Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A16260
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-033