Be aware, another “May” the update be with you !

Be aware that starting 30th of April, 2019 the SharePoint installations have to be on a minimum patch level of  May 2018 CU for SharePoint Server 2016 and on April 2018 CU for SharePoint 2013.

According Product Servicing policy, All SharePoint Server 2016 builds will be supported for at least one year from its release date. (The similar policy applies also SharePoint 2013)

Microsoft will update the minimum supported build of SharePoint Server 2016 on each anniversary of General Availability (GA) which is 30th of April of each year.

 

https://docs.microsoft.com/tr-tr/SharePoint/product-servicing-policy/updated-product-servicing-policy-for-sharepoint-server-2016

https://docs.microsoft.com/tr-tr/SharePoint/product-servicing-policy/updated-product-servicing-policy-for-sharepoint-2013

Still using SharePoint 2010 SP1 , need to upgrade at least sp2 until 14 October 2014

SharePoint Server 2010 SP1 will be unsupported starting 14/10/2014 by Microsoft Support.
http://support.microsoft.com/lifecycle/?p1=14944

Support ends 12 months after the next service pack releases or at the end of the product’s support lifecycle, whichever comes first. For more information, please see the service pack policy at http://support.microsoft.com/lifecycle/#ServicePackSupport.

MOSS 2007 SP2 and WSS3.0 SP2 Support has ended

According to MS Product Life Cycle , Microsoft Office SharePoint Server (MOSS) Service Pack 2 and Windows SharePoint Service (WSS) SP2   supports has ended yesterday.If you do not upgrade your MOSS 2007 and WSS 3 server to SP3 level than you may not get fully support from Microsoft Support.
the minimal supported version is WSS 3.0 SP3 and MOSS SP3
http://support.microsoft.com/lifecycle/default.aspx?LN=en-us&p1=14414&x=11&y=11
http://support.microsoft.com/lifecycle/default.aspx?LN=en-gb&p1=12200&x=11&y=6