Got this update yesterday but haven't installed it yet. I'm not an IT professional.
Microsoft security advisory: Update for vulnerabilities in Adobe Flash Player in Internet Explorer and Microsoft Edge: December 29, 2015
Summary
Microsoft has released a security advisory for IT professionals about vulnerabilities in Adobe Flash Player in the following web browsers:
Internet Explorer in Windows 8, Windows Server 2012, Windows 8.1, Windows Server 2012 R2, Windows 10, and Windows 10 version 1511
Microsoft Edge in Windows 10 and Windows 10 version 1511
Never mind.......I installed it.