This month’s Patch Tuesday is out for the Windows 10 April 2018 update, in the form of the build 17134.285. This new cumulative update should appear as “KB4457128” in Windows Update, and Microsoft notes that it's also rolling out to HoloLens headsets.
The pretty short release notes mention a new security fix for the Spectre Variant 2 vulnerability on Windows 10 on ARM devices, as well as fix for an issue causing the Program Compatibility Assistant (PCA) service to have excessive CPU usage. You can get more detailed information below:
- Provides protection against a Spectre Variant 2 vulnerability (CVE-2017-5715) for ARM64 devices.
- Addresses an issue that causes the Program Compatibility Assistant (PCA) service to have excessive CPU usage. This occurs when the concurrency of two simultaneous add and remove programs (ARP) monitoring threads is not handled correctly.
- Security updates to Internet Explorer, Microsoft Edge, Microsoft scripting engine, Microsoft Graphics Component, Windows media, Windows Shell, Windows Hyper-V, Windows datacenter networking, Windows virtualization and kernel, Windows Linux, Windows kernel, Microsoft JET Database Engine, Windows MSXML, and Windows Server.
This build currently has no known issues, but as usual please let us know in the comments if you encounter any problems after updating.Further reading: cumulative update, Patch Tuesday, Windows 10, Windows 10 April 2018 Update