BSOD in Win'2k3, Vista x86 and x64 by nonpriviledged user Nov 09 2008 01:54AM
support killprog com
BSOD or hard system hang due to race condition in win32k. sys code that processes UnhookWindowsHookEx. Reproduced when thread calls many times UnhookWindowsHookEx in the same time with switching active windows desktop object (SwitchDesktop) from desktop where hooks are unhooked and broadcasting windows messages to windows on that desktop. Sample exploit code can be downloaded from: http://killprog.com/whk.zip Works on Win'2k3 and Vista. XP seems to be immune to this.

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