UpdatesDescription: This security update resolves several privately reported vulnerabilities in the Windows kernel. The most serious vulnerability could allow remote code execution if a user viewed a specially crafted EMF or WMF image file from an affected system. The security update addresses the vulnerabilities by validating input passed from user mode through the kernel component of GDI, correcting the way that the kernel validates handles, and changing the way that the Windows kernel handles specially crafted invalid pointers.

Update type: Critical

Release date: March 10, 2009

Applies to: All

Knowledge base: http://support.microsoft.com/kb/958690

Download link: 32-bit | 64-bit

Comments: Note that there are different downloads if you are running Vista SP2 Beta or RC. Here are the specifics on the vulnerabilities covered by this update:

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