Here is the release history for Microsoft SQL Server 2017.
Update Release Date Build
CU5 2018/03/20 14.0.3023.8 N/A
CU4 2018/02/21 14.0.3022.28 N/A
CU3 2018/01/04 14.0.3015.40 N/A
CU2 2017/11/29 14.0.3008.27 N/A
CU1 2017/10/25 14.0.3006.16 N/A
RTM 2017/10/02 14.0.1000.169 N/A
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