Windows 8.1 for x64-based Systems 用 Internet Explorer Flash Player のセキュリティ更新プログラム (KB3074219)
Microsoft Security Advisory 2755801 Update for Vulnerabilities in Adobe Flash Player in Internet Explorer
Updated: June 23, 2015
http://support.microsoft.com/kb/3074219
遅れて 9時頃着弾の模様
関連
http://d.hatena.ne.jp/noushibou/20150623/1435048420