http://blogs.technet.com/srd/archive/2008/10/14/ms08-061-the-case-of-the-kernel-mode-double-fetch.aspxMS08-061 addresses several vulnerabilities in win32k.sys where you can execute arbitrary code in kernel mode. These bugs can only be exploited locally and there is no remote vector based on our investigation of the vulnerability. One of these vulnerabilitiesen-USCommunityServer 2.1 SP1 (Build: 61025.2)