Operating systems must be supported by the vendor which means regular security updates must be provided in order to fix security issues.
Whilst every effort is made to provide the most up-to-date information, you should always check the vendor site for the support status of your particular operating system.
The below will appear on the Refined page at
Windows Serverhttps://www.microsoft.com/en-us/windows-server/extended-security-updates
July 12, 2022 SQL Server 2008 and 2008 R2 Extended Security Updates end. SQL Server 2012 end of support
Jan 10, 2023 Windows Server 2008 and 2008 R2 Extended Security Updates come to an end.
Oct 10, 2023 The end of support for Windows Server 2012 and 2012 R2.
Jan 09, 2024 Windows Server 2008 and 2008 R2 Extended Security Updates on Azure come to an end.