Microsoft shared the following information with us in order to be better prepared. As per Microsoft Support Lifecycle policy, beginning January 12, 2016, only the most current version of Internet Explorer available for a supported operating system will receive technical support and security updates, as shown below:

Windows Desktop Operating Systems	Internet Explorer Version
Windows Vista SP2	Internet Explorer 9
Windows 7 SP1	Internet Explorer 11
Windows 8.1 Update	Internet Explorer 11

Windows Server Operating Systems	Internet Explorer Version
Windows Server 2008 SP2	Internet Explorer 9
Windows Server 2008 IA64 (Itanium)	Internet Explorer 9
Windows Server 2008 R2 SP1	Internet Explorer 11
Windows Server 2008 R2 IA64 (Itanium)	Internet Explorer 11
Windows Server 2012	Internet Explorer 10
Windows Server 2012 R2	Internet Explorer 11

Windows Embedded Operating Systems	Internet Explorer Version
Windows Embedded for Point of Service (WEPOS)	Internet Explorer 7
Windows Embedded Standard 2009 (WES09)	Internet Explorer 8
Windows Embedded POSReady 2009	Internet Explorer 8
Windows Embedded Standard 7	Internet Explorer 11
Windows Embedded POSReady 7	Internet Explorer 11
Windows Thin PC	Internet Explorer 8
Windows Embedded 8 Standard	Internet Explorer 10
Windows 8.1 Industry Update	Internet Explorer 11

Microsoft Support Lifecycle policy provides consistent and predictable guidelines for product support availability when a product releases and throughout that product’s life. By understanding the product support available, customers are better able to maximize the management of their IT investments and strategically plan for a successful IT future.

Microsoft

They recommend to customers running on an older version of Internet Explorer to migrate to one of the above supported operating systems and browser combinations by January 12, 2016.

For more details, one can refer: https://support.microsoft.com/en-us/lifecycle#gp/Microsoft-Internet-Explorer