September 10, 2019 - KB4516067 (Monthly Rollup)
Applies to: Windows 8.1, Windows Server 2012 R2
Improvements and fixes
This security update includes improvements and fixes that were a part of update KB4512478 (released August 17, 2019) and addresses the following issues:
For more information about the resolved security vulnerabilities, please refer to the Security Update Guide.
- Provides protections against a new subclass of speculative execution side-channel vulnerabilities, known as Microarchitectural Data Sampling, for 32-Bit (x86) versions of Windows (CVE-2019-11091,CVE-2018-12126, CVE-2018-12127, CVE-2018-12130). Use the registry settings as described in the Windows Client and Windows Server articles. (These registry settings are enabled by default for Windows Client OS editions and Windows Server OS editions.)
- Security updates to the Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Kernel, Windows Input and Composition, Windows Media, Windows Fundamentals, Windows Authentication, Windows Datacenter Networking, Windows Storage and Filesystems, the Microsoft JET Database Engine, and Windows Server.
Known issues in this update
[ADDED 9/13]
How to get this update
Before installing this update
Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest Rollup. SSUs improve the reliability of the update process to mitigate potential issues while installing the Rollup and applying Microsoft security fixes.
If you are using Windows Update, the latest SSU (KB4512938) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.
Install this update
Source: https://support.microsoft.com/en-us/help/4516067
Direct download links for KB4516067 MSU file from Microsoft Update Catalog:
Download KB4516067 MSU for Windows 8.1 32-bit (x86) - 294.4 MBDownload KB4516067 MSU for Windows 8.1 64-bit (x64) - 459.3 MB
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