Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2, Windows Vista SP2, Windows Server 2008 SP2 and R2 SP1, Windows 7 SP1, Windows 8, Windows Server 2012, and Windows RT allow remote attackers to execute arbitrary code via a malformed asynchronous RPC request, aka "Remote Procedure Call Vulnerability."
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A18293
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2013/ms13-062
http://www.us-cert.gov/ncas/alerts/TA13-225A
http://vrt-blog.snort.org/2013/08/microsoft-update-tuesday-august-2013.html