KB4100347 is a brand new replace for the newest model of Home windows 10, Home windows 10 model 1803, which Microsoft launched on April 30, 2018 to the general public.

The function replace has its justifiable share of points; customers complain about incompatibilities with sure Strong State Drives, bluescreens, lacking community gadgets, and different points.

One of many issues that I seen straight away after putting in the April 2018 Replace for Home windows 10 on a check system was that it didn’t embody the microcode replace that protects it from Spectre assaults.

What made this significantly problematic was that Microsoft launched microcode updates for earlier variations of Home windows 10. Techniques went from a protected state to an unprotected one in worst case if customers or directors put in the microcode replace on gadgets operating earlier variations of Home windows 10 earlier than operating the improve to the newest model.

Tip: you possibly can run the free software program inSpectre to seek out out if a Home windows PC is patched and whether or not microcode updates can be found.


It took Microsoft two weeks to launch the microcode replace for Home windows 10 model 1803 that protects gadgets towards Spectre assaults. The corporate launched KB4100347 on Could 15, 2018. The replace is offered via Home windows Replace and the Microsoft Replace Catalog web site and suitable with Home windows 10 model 1803 and Home windows Server 2016 Model 1803 (Server Core)

Home windows gadgets configured to obtain out there updates routinely via Home windows Replace will get the microcode replace routinely offered supported processor is put in on the machine.

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You possibly can examine the checklist of supported processors on Microsoft’s Help web site. It contains Kaby Lake, Espresso Lake, Broadwell, SkyLake, Haswell, Ivy Bride, and Sandy Bridge processors. Microsoft plans to replace the Home windows replace to assist extra processors.

It’s possible you’ll obtain the replace from the Microsoft Replace Catalog web site as effectively. It has a measurement of simply 1 Megabyte and could be put in on machines operating Home windows 10 model 1803 or Home windows 10 Server 2016.

Observe that the set up will solely succeed if a supported processor is put in on the machine the replace is executed on.

Closing Phrases

The microcode updates for Windwos 10 model 1803 are lastly out there. The discharge removes one motive for staying on an earlier model of Home windows 10. It’s nonetheless too early to improve to Home windows 10 model 1803 however customers and admins who upgraded PCs to the brand new model might wish to set up it asap to guard the system towards Spectre-based assaults. (through Deskmodder)

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