Memory corruption

Unspecified vulnerability in the Windows OpenType Compact Font Format CFF driver in Microsoft Windows 2000 SP4, XP SP2 and SP3, Server 2003 SP2, Vista SP1 and SP2, Server 2008 SP2 and R2, and Windows 7 allows local users to execute arbitrary code via unknown vectors related to improper validation...

Allowing User-mode Code to Access Kernel Memory

Allowing User-mode Code to Access Kernel Memory One of the most important principles of the kernel/user division that modern operating systems enforce is that user mode is not allowed to directly access kernel mode memory. This is necessary to enforce system stability, such as to prevent a buggy...