Technical Information

Brief overview of the risk:
The vulnerability could allow denial of service if a user opens a specially crafted TrueType font file as an e-mail attachment or navigates to a network share or WebDAV location containing a specially crafted TrueType font file. For an attack to be successful, a user must visit the untrusted remote file system location or WebDAV share containing the specially crafted TrueType font file, or open the file as an e-mail attachment.
Detailed Information on the risk:

A denial of service vulnerability exists in the Microsoft Windows kernel. This vulnerability is caused when the Windows kernel improperly processes a specifically crafted TrueType font file. An attacker who successfully exploited this vulnerability could cause the affected system to stop responding and restart.

Further information on this exploit is available at : MS11-084