https://support.microsoft.com/en-us/topic/kb4019091-description-of-the-security-update-for-sql-server-2014-service-pack-1-gdr-august-8-2017-fa35160c-8344-4786-7f5d-7f9192aaf07a
KB4019091 - Description of the security update for SQL Server 2014 Service Pack 1 GDR: August 8,...
Resolves vulnerabilities in SQL Server that could allow an attacker with access to an affected database to access additional database and file information.