Applies ToWindows 8.1 Windows Server 2012 R2

Release Date:

14/03/2017

Version:

Security-only update

This update includes only security updates. Key changes include:

Security updates to Microsoft XML Core Services, SHA-1 deprecation for SSL/TLS certificates, Windows Media Player, Microsoft Graphics Component, Windows OS, Microsoft Windows PDF Library, Windows kernel-mode drivers, Microsoft Uniscribe, Windows kernel, Windows Hyper-V, Windows kernel, Windows SMB Server, Internet Information Services, and Active Directory Federation Services.

For a complete list of affected files, see KB4012213.

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