From what I can see, there is nothing in the release notes about required security. The same can be said about a lot of other topics in the release notes... It may be worth raising a case with Microsoft to clarify what rights are needed.
Original author: SQL Server FineBuild 1-click install and best practice configuration of SQL Server 2017 2016, 2014, 2012, 2008 R2, 2008 and 2005. 1 Dec 2016
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