This bug was originally reported through Project Zero at Google. Alex Rice suggested to me that I could potentially receive a bounty through Hacker One so I am also opening a report here.
The vulnerability reference numbers are MS15-010 CVE-2015-0059
The original bug report is https://code.google.com/p/google-security-research/issues/detail?id=172
Microsoft released a patch on 2/10/15 https://technet.microsoft.com/library/security/dn903755.aspx
Repros, loader, and minidumps are attached