Microsoft has published another post today giving an update on fixes to the Spectre and Meltdown chip bugs. This company is releasing?Intel microcode updates that will initially be around for some people Skylake devices running up to date Windows 10 Fall Creators Update. Microsoft added that additional microcode updates will probably be released as Intel makes them designed to the Windows maker.
KB4090007 will likely be released for many Skylake devices on Fall Creators Update
Today’s?KB4090007 provides fixes for?Spectre Variant 2 (CVE 2017-5715) to the Fall Creators Update. The update is initially purely available for:
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- Skylake H/S, 6th Generation Intel Core Processor Family (CPUID 506E3)
- Skylake U/Y?& Skylake U23e,?6th Generation Intel Core m Processors?(CPUID 406E3)
While it always doesn’t take this long to offer patches, the Spectre and Meltdown flaws were devastating mainly because you don\’t see any straightforward fixes. Seeking to patch speculative execution side-channel attacks uses a amount of software and hardware updates that could trigger data loss or hit performance, as we have noticed since patches of those chip bugs started rolling out.
Microsoft’s?John Cable from the Windows Servicing and Delivery team said on this latest update the fact that company will “always help chipset and device makers when they offer more vulnerability mitigations”.
The company had in February released patches for?32-bit (x86) platforms after initially rolling out fixes for 64-bit versions of Windows 10. Today’s update is definitely the organization pushing out Intel’s firmware updates to protect Windows 10 against Spectre variant 2. Most devices should receive these kinds of updates directly from their device manufacturer. The fix being rolled out by Microsoft is barely available through?Microsoft Update Catalog (KB4090007) and won’t be pushed out through Microsoft’s Windows Update system.
Since these microcode updates aren’t being shipped through Windows Update, carried out downloaded manually through the Microsoft Update Catalog. Microsoft warned the particular Intel microcode updates are only valid for any aforementioned Skylake devices. The provider declared that looking to install this update using a device?through an unsupported CPU results in an error message. Microsoft had previously also released a complimentary tool for enterprises to improve?assess Meltdown and Spectre update status with device-level insights.
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Here’s Microsoft updated statement:
Windows devices need both software and firmware updates to aid protect them against these new vulnerabilities. Recently we added software coverage for x86 editions of Windows 10, so we carry on and try to provide updates for other supported versions of Windows. Yow will discover addiitional information and a table of updated Windows editions in this Windows customer guidance article. We will update this documentation when new mitigations become available.
While firmware (microcode) security updates are usually not yet broadly available, Intel recently announced they may have completed their validations and began to secrete microcode for newer CPU platforms. Today, Microsoft will help make available Intel microcode updates, initially for quite a few Skylake devices running probably the most broadly installed sort of Windows 10 – the Windows 10 Fall Creators Update – with the Microsoft Update Catalog, KB4090007. We shall offer additional microcode updates from Intel since they become offered to Microsoft. We are going to go on to deal with chipset and device makers while they offer more vulnerability mitigations.
– KB4090007 are accessible at this point.