Microsoft has released an update for Internet Explorer Flash Player for Windows 8/8.1 and Server 2008/R2

This update addresses the vulnerability discussed in Microsoft Security Advisory (KB2889543). To find out if other security updates are available for you, see the Additional Information section at the bottom of this page.

Update for Internet Explorer Flash Player for Windows Server 2012 R2 (KB2889543)
Update for Internet Explorer Flash Player for Windows 8 x64 (KB2889543)
Update for Internet Explorer Flash Player for Windows 8.1 for x64-based Systems (KB2889543)
Update for Internet Explorer Flash Player for Windows 8 (KB2889543)
Update for Internet Explorer Flash Player for Windows Server 2012 (KB2889543)
Update for Internet Explorer Flash Player for Windows 8.1 (KB2889543)