This update includes only security updates. No new operating system features are being introduced in this update. Key changes include:
- Security updates to Boot Manager, Microsoft Video Control, Common Log File System driver, Microsoft Edge, Microsoft Graphics Component, Windows authentication methods, kernel-mode drivers, Windows operating system, OpenType, Microsoft Virtual Hard Drive, and Internet Explorer 11.
For a complete list of affected files, see KB3197873.
Article ID: 4009444 - Last Review: Apr 11, 2017 - Revision: 15
Windows 8.1, Windows Server 2012 R2 Standard