KB4512578 updates Windows 10 1809 to Build 17763.737 – 10 Sept 2019

Microsoft rolls KB4512578 for Windows 10 1809 users which, in turn, updates the existing OS to build 17763.737. By default, this patch upgrades several Windows components, services, and IE-11 web-browser. In addition to the above changes, this even improves the security concerns over network technologies and input devices.

KB4512578 updates the verifying user names and passwords attribute onward this cumulative update. This even bestows support against a new subclass Microarchitectural Data Sampling and its vulnerabilities. The company has provided temporary solutions to a few known bugs and promised to fix them in an upcoming release. Let’s explore this in somewhat more detail-


Changes & Fixes on KB4512578

Here, we depict the key changes that came along with KB4512578 cumulative update-

  • Build 17763.737 rolls protections against a few subclasses of speculative execution side-channel vulnerabilities during Microarchitectural Data Sampling. This supports only 32 bit Windows versions. Read the articles on Windows Client and Windows Server to know more about how to use the registry. As per Microsoft, they keep the registry entries enabled for both editions i.e. Windows Client OS and Windows Server OS. To know more, have a look at the following guides-
  • The Company unveils security updates for Microsoft Scripting Engine, Microsoft JET Database Engine, and the Internet Explorer. Further, the team rolls security patches for these components of Windows as well-
1. Windows Kernel 
2. Windows Server 
3. Windows Fundamentals
4. Windows Virtualization
5. Windows Authentication
6. Windows Wireless Networking
7. Windows Storage and Filesystems
8. Windows App Platform and Frameworks
9. Windows Input and Composition Windows Media

KB4512578 – Known Issues

There are no new bugs on this cumulative update. To get the pre-existing issues, you can read our previous tutorial.

How to get this update

You will auto-receive a notification regarding the KB4512578 patch update. Moreover, you can also download the standalone package by visiting the company’s official website. However, make sure to download and install the latest SSU i.e. (KB4512577) beforehand. This is to avoid any in-between troubles that arise during the update process.

Alternatively, navigate to the following path and save a copy for yourself-

Settings > Update & Security > Windows Update

Here, switch to the right pane and hit the Check for Updates button.

Source – Update Catalog.