https://www.bleepingcomputer.com/news/microsoft/microsoft-update-windows-server-2012-before-extended-support-ends/

Microsoft has reminded Windows Server 2012 and SQL Server 2012 users that the products will reach their extended support end dates during the next two years, urging them to update to avoid security and compliance gaps.

According to Microsoft, Windows Server 2012 and 2012 R2 Extended Support will end on October 10, 2023, while SQL Server 2012 Extended Support will end on July 12, 2022.