Microsoft Windows OpenType Font Parsing Persistent Denial-of-Service Vulnerability

This vulnerability allows remote attackers to causes a persistent Denial-of-Service on machines running vulnerable versions of Microsoft Windows. User interaction is required to exploit this vulnerability in that the target must open a vulnerable font. The specific flaw exists within the handling of OpenType Fonts in the Windows Kernel. The machine will immediately crash and be unable to restart if a user attempts to use the malicious font.