Race condition in the Virtual DOS Machine (VDM) in the Windows Kernel in Microsoft Windows NT 4.0 allows local users to modify memory and gain privileges via the temporary \Device\PhysicalMemory section handle, a related issue to CVE-2007-1206.

The Virtual DOS Machine (VDM) in the Windows Kernel in Microsoft Windows NT 4.0; 2000 SP4; XP SP2; Server 2003, 2003 SP1, and 2003 SP2; and Windows Vista before June 2006; uses insecure permissions (PAGE_READWRITE) for a physical memory view, which allows local users to gain privileges by modifying the "zero page" during a race condition before the view is unmapped.