KLA11211
Obsolete Adobe Flash Player for Windows

Microsoft released update to address vulnerabilities in Flash Player. For details look at KLA11208.

Windows Server 2012 R2
Windows 10 Version 1607 for 32-bit Systems
Windows 10 Version 1703 for 32-bit Systems
Windows 10 Version 1709 for 32-bit Systems
Windows 10 Version 1709 for 64-based Systems
Windows 10 for 32-bit Systems
Windows 10 for x64-based Systems
Windows 10 Version 1511 for 32-bit Systems
Windows 10 Version 1511 for x64-based Systems
Windows 10 Version 1703 for x64-based Systems
Windows 10 Version 1607 for x64-based Systems
Windows Server 2016
Windows 8.1 for 32-bit systems
Windows 8.1 for x64-based systems
Windows RT 8.1
Windows Server 2012

Install necessary updates from the KB section, that are listed in your Windows Update (Windows Update usually can be accessed from the Control Panel)