The Client/Server Run-time Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3 Server 2003 SP2 Vista SP2 and Server 2008 SP2 when a Chinese Japanese or Korean system locale is used can access uninitialized memory during the processing of Unicode characters which allows local users to gain privileges via a crafted application aka \CSRSS Elevation of Privilege Vulnerability.\