Microsoft has released new cumulative updates for all supported version of Windows 10, including the April 2018 Update. Direct download links for Windows 10 KB4493464 are also live on Microsoft Update Catalog and you can grab them to manually update the machines.
It is worth noting that Build 17134.706 is for Windows 10 April 2018 Update (version 1803) PCs only. If your PC is on Windows 10 October 2018 Update (version 1809), you will receive Build 17763.437 and you can learn more about it here.
If you are still using Windows 10 April 2018 Update, today you will receive a new update that will advance the system to Build 17134.706 and it will show up as KB4493464. You can grab the update by navigating to the Settings page or you can also manually download the patch from Microsoft Update Catalog.
KB4493464 Download Links for Windows 10
Windows 10 KB4493464 Direct Download Links: 32-bit (x86) and 64-bit.
KB4493464 Windows 10 Build 17134.706 Full Changelog
Provides protections against Spectre Variant 2 (CVE-2017-5715) and Meltdown (CVE-2017-5754) for VIA-based computers. These protections are enabled by default for the Windows Client, but disabled by default for Windows Server. For Windows Client (IT Pro) guidance, follow the instructions in KB4073119. For Windows Server guidance, follow the instructions in KB4072698. Use these guidance documents to enable or disable these mitigations for VIA-based computers.
- Addresses an issue that may cause applications that use MSXML6 to stop responding if an exception was thrown during node operations.
- Addresses an issue that causes the Group Policy editor to stop responding when editing a Group Policy Object (GPO) that contains Group Policy Preferences (GPP) for Internet Explorer 10 Internet settings.
- Addresses an issue that occurs when you enable per font end-user-defined characters (EUDC). The system will stop working and a blue screen will appear at startup. This is not a common setting in non-Asian regions.
- Security updates to Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Storage and Filesystems, Windows Server, Windows Graphics, Windows Input and Composition, Windows Kernel, Windows Virtualization, Windows MSXML, and the Microsoft JET Database Engine