The Client/Server Runtime Subsystem (aka CSRSS) in the Win32 subsystem in Microsoft Windows XP SP2 and SP3 and Server 2003 SP2, when a Chinese, Japanese, or Korean locale is enabled, does not properly allocate memory for transactions, which allows local users to gain privileges via a crafted application, aka "CSRSS Local Elevation of Privilege Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A7536
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-069