KB3130926 - Cumulative Update 5 for SQL Server 2014 SP1 Initial build/release that supported TLS 1.2 Note Builds that are later than those listed in this table also support TLS 1.2. Use the download links in the table to obtain the server updates that are applicable to your environment. Use the following table to determine whether your current version of SQL Server already has support for TLS 1.2 or whether you have to download an update to enable TLS 1.2 support. The Microsoft Schannel implementation of TLS 1.0 (regarding the known vulnerabilities that have been reported to Microsoft as of the publication date of this article) is summarized in Schannel implementation of TLS 1.0 in Windows security status update: November 24, 2015. This is the communication protocol that's used between SQL Server clients and the SQL Server database engine. Important No known vulnerabilities have been reported for the Microsoft TDS implementation. We recommend that you upgrade to TLS 1.2 for secure communication.

Several known vulnerabilities have been reported against SSL and earlier versions of Transport Layer Security (TLS). This article also lists supported client providers. SQL Server 2016, SQL Server 2017, and SQL Server 2019 support TLS 1.2 without the need for an update.

This article provides information about the updates that Microsoft is releasing to enable TLS 1.2 support for SQL Server 2017 on Windows, SQL Server 2016, SQL Server 2008, SQL Server 2008 R2, SQL Server 2012, and SQL Server 2014.

How to test tls 1.2