Protect your Windows devices against Spectre and Meltdown .reg

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Protect your Windows devices against Spectre and Meltdown
https://support.microsoft.com/en-gb/help/4073757/protect-your-windows-devices-against-spectre-meltdown
Applies to: Windows 10Windows 10 MobileWindows 8.1More

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Summary

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This article will be updated as additional information becomes available. Please check back here regularly for updates and new FAQ.




This article discusses the impact of the recently disclosed processor vulnerabilities, named “Spectre” and “Meltdown,” for Windows customers. This article also provides resources to help keep your devices protected at home, at work, and across your enterprise.
Microsoft is aware of new hardware processor vulnerabilities that are named Spectre and Meltdown. These are a newly discovered class of vulnerability based on a common chip architecture that, when originally designed, was created to speed up computers. The technical name is “speculative execution side-channel vulnerabilities.” You can learn more about these vulnerabilities at Google Project Zero.





Steps to help protect your Windows devices

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What steps should I take to help protect my devices?


Who is affected?


Protections we’ve provided to date






April 2018 Windows operating system updates

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Enable usage of Indirect Branch Prediction Barrier (IBPB) for Spectre Variant 2 for AMD processors (CPUs)


Intel microcode updates






March 2018 Windows operating system updates

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March 23, TechNet Security Research & Defense: KVA Shadow: Mitigating Meltdown on Windows
March 14, Security Tech Center: Speculative Execution Side Channel Bounty Program Terms
March 13, blog: March 2018 Windows Security Update – Expanding Our Efforts to Protect Customers
March 1, blog: Update on Spectre and Meltdown security updates for Windows devices

Intel microcode updates







Windows operating system updates for 32-bit (x86) systems







Windows operating system updates for 64-bit (x64) systems







Windows kernel update for CVE-2018-1038







Cumulative security update for Internet Explorer






February 2018 Windows operating system updates

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Blog: Windows Analytics now helps assess Spectre and Meltdown protections

Windows operating system updates for 32-bit (x86) systems






January 2018 Windows operating system updates

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Blog: Understanding the Performance Impact of Spectre and Meltdown Mitigations on Windows Systems

Windows operating system updates for 64-bit (x64) systems






Resources and technical guidance

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Depending on your role, the following support articles can help you identify and mitigate client and server environments that are affected by the Spectre and Meltdown vulnerabilities.

Microsoft blogs discussing Spectre and Meltdown


List of technical resources and customer guidance






Links to OEM and Server device manufacturers for updates to protect again Spectre and Meltdown vulnerabilities

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To help address these vulnerabilities, you need to update both your hardware and software. Use the following links to check with your device manufacturer for applicable firmware updates.List of OEM and Server device manufacturers