Windows 10: Protect your Windows devices against Spectre and Meltdown

Discus and support Protect your Windows devices against Spectre and Meltdown in Windows 10 News to solve the problem; Summary This article discusses the impact of the recently disclosed processor vulnerabilities, named “Spectre” and “Meltdown,” for Windows... Discussion in 'Windows 10 News' started by Brink, Jan 8, 2018.

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Brink New Member
Protect your Windows devices against Spectre and Meltdown
Summary

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 vulnerabilities in hardware processors named “Spectre” and “Meltdown”. These are a newly discovered class of vulnerabilities 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

What steps should I take to protect my devices?

You will need to update both your hardware and your software to address this vulnerability. This includes applicable firmware updates from device manufacturers and, in some cases, updates to your antivirus software as well. We encourage you to keep your devices up-to-date by installing the monthly security updates.

To receive all available protections, follow these steps to get the latest updates for both software and hardware.

*Arrow March 2018 Windows operating system updates

Blog: March 2018 Windows Security Update – Expanding Our Efforts to Protect Customers

Blog: Update on Spectre and Meltdown security updates for Windows devices

Intel microcode updates
Microsoft is making available Intel validated microcode updates around Spectre Variant 2 [CVE 2017-5715 ("Branch Target Injection”)]. KB4093836 lists specific Knowledge Base articles by Windows version. Each specific KB contains the available Intel microcode updates by CPU .

We will offer additional microcode updates from Intel for the Windows operating system as they become available to Microsoft.

Windows operating system updates for 32-bit (x86) systems
Starting in March 2018, Microsoft released security updates to provide mitigations for devices running the following x86-based Windows operating systems. Customers should install latest Windows operating system security updates to take advantage of available protections. We are working to provide protections for other supported Windows versions but do not have a release schedule at this time. Please check back here for updates. For more information, see the related knowledge base article for technical details and the FAQ below.

Product update released Released Release date Release channel KB Windows 8.1 & Windows Server 2012 R2 - Security Only Update Released 13-Mar WSUS, Catalog, KB4088879 Windows 7 SP1 & Windows Server 2008 R2 SP1 - Security Only Update Released 13-Mar WSUS, Catalog KB4088878 Windows Server 2012 - Security Only Update
Windows 8 Embedded Standard Edition - Security Only Update Released 13-Mar WSUS, Catalog KB4088877 Windows 8.1 & Windows Server 2012 R2 - Monthly Rollup Released 13-Mar WU, WSUS, Catalog KB4088876 Windows 7 SP1 & Windows Server 2008 R2 SP1 - Monthly Rollup Released 13-Mar WU, WSUS, Catalog KB4088875 Windows Server 2012 - Monthly Rollup
Windows 8 Embedded Standard Edition - Monthly Rollup Released 13-Mar WU, WSUS, Catalog KB4088877 Windows Server 2008 SP2 Released 13-Mar WU, WSUS, Catalog KB4090450
Windows operating system updates for 64-bit (x64) systems
Starting in March 2018, Microsoft released security updates to provide mitigations for devices running the following x64-based Windows operating systems. Customers should install latest Windows operating system security updates to take advantage of available protections. We are working to provide protections for other supported Windows versions but do not have a release schedule at this time. Please check back here for updates. For more information, see the related knowledge base article for technical details and the FAQ later in this article.

Product update released Released Release date Release channel KB Windows Server 2012 - Security Only Update
Windows 8 Embedded Standard Edition - Security Only Update Released 13-Mar WSUS, Catalog KB4088877 Windows Server 2012 - Monthly Rollup
Windows 8 Embedded Standard Edition - Monthly Rollup Released 13-Mar WU, WSUS, Catalog KB4088877 Windows Server 2008 SP2 Released 13-Mar WU, WSUS, Catalog KB4090450
Cumulative security update for Internet Explorer
This security update resolves several reported vulnerabilities in Internet Explorer. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures.

Product update released Released Release date Release channel KB Internet Explorer 10 - Cumulative Update for Windows 8 Embedded Standard Edition Released 13-Mar WU, WSUS, Catalog KB4089187
*Arrow February 2018 Windows operating system updates

Blog: Windows Analytics now helps assess Spectre and Meltdown protections

Windows operating system updates for 32-bit (x86) systems
The following security updates provide additional protections for devices running 32-bit (x86) Windows operating systems. Microsoft recommends customers install the update as soon as available. We continue to work to provide protections for other supported Windows versions but do not have a release schedule at this time. Please check back here for updates.

Note: Windows 10 monthly security updates are cumulative month over month and will be downloaded and installed automatically from Windows Update. If you have installed earlier updates, only the new portions will be downloaded and installed on your device. For more information, see the related knowledge base article for technical details and the FAQ below.

Product update released Released Release date Release channel KB Windows 10 - Version 1709 / Windows Server 2016 (1709) / IoT Core - Quality Update Released January 31 WU, Catalog KB4058258 Windows Server 2016 (1709) - Server container Released February 13 Docker Hub KB4074588 Windows 10 - Version 1703 / IoT Core - Quality Update Released February 13 WU, WSUS, Catalog KB4074592 Windows 10 - Version 1607 / Windows Server 2016 / IoT Core - Quality Update Released February 13 WU, WSUS, Catalog KB4074590 Windows 10 HoloLens - OS and Firmware Updates Released February 13 WU, Catalog KB4074590 Windows Server 2016 (1607) - Container Images Released February 13 Docker Hub KB4074590 Windows 10 - Version 1511 / IoT Core - Quality Update Released February 13 WU, WSUS, Catalog KB4074591 Windows 10 - Version RTM - Quality Update Released February 13 WU, WSUS, Catalog KB4074596
*Arrow January 2018 Windows operation system updates

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

Windows operating system updates for 64-bit (x64) systems
Starting in January 2018, Microsoft released security updates to provide mitigations for devices running the following x64-based Windows operating systems. Customers should install latest Windows operating system security updates to take advantage of available protections. We are working to provide protections for other supported Windows versions but do not have a release schedule at this time. Please check back here for updates. For more information, see the related knowledge base article for technical details and the FAQ below.

Product Update Released Released Release Date Release Channel KB Windows 10 - Version 1709 / Windows Server 2016 (1709) / IoT Core - Quality Update Released January 3 WU, WSUS, Catalog, Azure Image Gallery KB4056892 Windows Server 2016 (1709) - Server container Released January 5 Docker Hub KB4056892 Windows 10 - Version 1703 / IoT Core - Quality Update Released January 3 WU, WSUS, Catalog KB4056891 Windows 10 - Version 1607 / Windows Server 2016 / IoT Core- Quality Update Released January 3 WU, WSUS, Catalog KB4056890 Windows Server 2016 (1607) - Container Images Released January 4 Docker Hub KB4056890 Windows 10 - Version 1511 / IoT Core - Quality Update Released January 3 WU, WSUS, Catalog KB4056888 Windows 10 - Version RTM - Quality Update Released January 3 WU, WSUS, Catalog KB4056893 Windows 10 Mobile (OS Build 15254.192) - ARM Released January 5 WU, Catalog KB4073117 Windows 10 Mobile (OS Build 15063.850) Released January 5 WU, Catalog KB4056891 Windows 10 Mobile (OS Build 14393.2007) Released January 5 WU, Catalog KB4056890 Windows 10 HoloLens Released January 5 WU, Catalog KB4056890 Windows 8.1 / Windows Server 2012 R2 - Security Only Update Released January 3 WSUS, Catalog KB4056898 Windows Embedded 8.1 Industry Enterprise Released January 3 WSUS, Catalog KB4056898 Windows Embedded 8.1 Industry Pro Released January 3 WSUS, Catalog KB4056898 Windows Embedded 8.1 Pro Released January 3 WSUS, Catalog KB4056898 Windows 8.1 / Windows Server 2012 R2 Monthly Rollup Released January 8 WU, WSUS, Catalog KB4056895 Windows Embedded 8.1 Industry Enterprise Released January 8 WU, WSUS, Catalog KB4056895 Windows Embedded 8.1 Industry Pro Released January 8 WU, WSUS, Catalog KB4056895 Windows Embedded 8.1 Pro Released January 8 WU, WSUS, Catalog KB4056895 Windows Server 2012 Security Only Coming WSUS, Catalog Windows Server 2008 SP2 Coming WU, WSUS, Catalog Windows Server 2012 Monthly Rollup Coming WU, WSUS, Catalog Windows Embedded 8 Standard Coming Windows 7 SP1 / Windows Server 2008 R2 - Security Only Update Released January 3 WSUS, Catalog KB4056897 Windows Embedded Standard 7 Released January 3 WSUS, Catalog KB4056897 Windows Embedded POSReady 7 Released January 3 WSUS, Catalog KB4056897 Windows Thin PC Released January 3 WSUS, Catalog KB4056897 Windows 7 SP1 / Windows Server 2008 R2 Monthly Rollup Released January 4 WU, WSUS, Catalog KB4056894 Windows Embedded Standard 7 Released January 4 WU, WSUS, Catalog KB4056894 Windows Embedded POSReady 7 Released January 4 WU, WSUS, Catalog KB4056894 Windows Thin PC Released January 4 WU, WSUS, Catalog KB4056894 Internet Explorer 11-Cumulative Update for Windows 7 SP1 and Windows 8.1 Released January 3 WU, WSUS, Catalog KB4056568
Resources and technical guidance

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

Microsoft blogs discussing Spectre and Meltdown

Microsoft Experience blog: Update on Spectre and Meltdown security updates for Windows devices

Windows for Business blog: Windows Analytics now helps assess Spectre and Meltdown protections

Microsoft Secure blog: Understanding the Performance Impact of Spectre and Meltdown Mitigations on Windows Systems

Edge Developer Blog: Mitigating speculative execution side-channel attacks in Microsoft Edge and Internet Explorer

Azure Blog: Securing Azure customers from CPU vulnerability

SCCM guidance: Additional guidance to mitigate speculative execution side-channel vulnerabilities

List of technical resources and customer guidance

Microsoft Security Advisory: MSRC ADV180002

Intel: Security Advisory

ARM: Security Advisory

AMD: Security Advisory

NVIDIA: Security Advisory

Consumer Guidance: Protecting your device against chip-related security vulnerabilities

Antivirus Guidance: Windows security updates released January 3, 2018, and antivirus software

Guidance for AMD Windows OS security update block: KB4073707: Windows operating system security update block for some AMD based devices

Update to Disable Mitigation against Spectre, Variant 2: KB4078130: Intel has identified reboot issues with microcode on some older processors

Surface Guidance: Surface Guidance to protect against speculative execution side-channel vulnerabilities

IT Pro Guidance: Windows Client Guidance for IT Pros to protect against speculative execution side-channel vulnerabilities

Server Guidance: Windows Server guidance to protect against speculative execution side-channel vulnerabilities

Server Hyper-V Guidance

Virtual Machine Resource Controls

Hyper-V Host CPU Resource Management

Azure KB: KB4073235: Microsoft Cloud Protections Against Speculative Execution Side-Channel Vulnerabilities

Azure Stack guidance: KB4073418: Azure stack guidance to protect against the speculative execution side-channel vulnerabilities

SQL Server guidance: KB4073225: SQL Server Guidance to protect against speculative execution side-channel vulnerabilities

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

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 /Server device manufacturers

Use the following links to check with your device manufacturer for firmware updates. You will have to install both operating system and hardware or firmware updates for all available protections.

OEM Device Manufacturers Link to microcode availability Acer https://us.answers.acer.com/app/answ...ail/a_id/53104 Asus ASUS Update on Speculative Execution and Indirect Branch Prediction Side Channel Analysis Method Dell Sicherheitslücken: Meltdown und Spectre | Dell DEUTSCHLAND Epson CPUの脆弱性(サイドチャネル攻撃)について | エプソンダイレクト：ユーザーサポート | Epson Direct support Fujitsu https://www.fujitsu.com/global/suppo...93823979e.html HP HPSBHF03573 rev. 13 - Side-Channel Analysis Method | HP® Customer Support Lenovo Reading Privileged Memory with a Side Channel LG LG Get Product Support | LG U.S.A NEC AV18-001: NEC製品セキュリティ情報 | NEC Panasonic https://pc-dl.panasonic.co.jp/itn/vuln/g18-001.html Samsung http://www.samsung.com/uk/support/intel_update/ Surface Surface Guidance to protect against speculative execution side-channel vulnerabilities Toshiba http://go.toshiba.com/intel-side-channel Vaio https://solutions.vaio.com/3316
Server OEM Manufacturers Link to microcode availability Dell https://www.dell.com/support/meltdown-spectre Fujitsu http://www.fujitsu.com/global/suppor...93823979e.html HPE http://h22208.www2.hpe.com/eginfolib...is_Method.html Huawei http://www.huawei.com/au/psirt/secur...04-01-intel-en Lenovo https://support.lenovo.com/us/en/solutions/len-18282
Frequently asked questions

My OEM device manufacturer is not listed. What do I do?
You will need to check with your device manufacturer for firmware updates. If your device manufacturer is not listed in the table, contact your OEM directly.

Where can I find Surface hardware/firmware updates?
Updates for Microsoft Surface devices will be delivered to customers through Windows Update. For more information, see KB 4073065.

If your device is not from Microsoft, apply firmware from the device manufacturer. Contact your device manufacturer for more information.

My operating system (OS) is not listed. When can I expect a fix to be released?
Addressing a hardware vulnerability with a software update presents significant challenges and mitigations for older operating systems and can require extensive architectural changes. We are continuing to work with affected chip manufacturers and investigating the best way to provide mitigations, which may be provided in a future update. Replacing older devices running these older operating systems should address the remaining risk along with updated antivirus software.

Note Products currently out of both mainstream and extended support will not receive these OS updates. We recommend customers update to a supported OS version.

We will not be issuing updates for the following platforms:

Windows operating systems that are currently out of support or those entering end of service (EOS) in 2018

Windows XP-based systems including WES 2009, POSReady 2009

Although Windows XP-based systems are affected products, Microsoft is not issuing an update for them because the comprehensive architectural changes required would jeopardize system stability and cause application compatibility problems. We recommend that security-conscious customers upgrade to a newer supported operating system to keep pace with the changing security threat landscape and benefit from the more robust protections that newer operating systems provide.

Where can I find Microsoft HoloLens operating system and firmware updates?
Updates to Windows 10 for HoloLens are available to HoloLens customers through Windows Update.

After applying the February 2018 Windows Security Update HoloLens customers do not need to take any additional action to update their device firmware. These mitigations will also be included in all future releases of Windows 10 for HoloLens.

Where can I find Windows 10 Mobile firmware updates?
Contact your OEM for more information.

If I have installed the latest security updates released by Microsoft. Do I need to do anything else?
For your device to be fully protected, you should install the latest Windows operating system security updates for your device and applicable firmware updates from your device manufacturer. These updates should be available on your device manufacturer's website. Antivirus software updates should be installed first. Operating system and firmware updates can be installed in either order.

Am I fully protected if I only install Windows security updates?
You will need to update both your hardware and your software to address this vulnerability. You will also need to install applicable firmware updates from your device manufacturer for more comprehensive protection. We encourage you to keep your devices up-to-date by installing the monthly security updates.

Why is it so important to update my device with the latest feature release?
In each Windows 10 feature update, we build the latest security technology deep into the operating system, providing defense-in-depth features that prevent entire classes of malware from impacting your device. Feature update releases are targeted twice a year. In each monthly quality update, we add another layer of security, one that tracks emerging and changing trends in malware to make up-to-date systems safer in the face of changing and evolving threats.

My antivirus software is not listed as being compatible. What should I do?
Microsoft has been working closely with affected antivirus partners to ensure all customers receive the January Windows security updates as soon as possible. If customers are not being offered January security updates, Microsoft recommends customers contact their antivirus provider directly. Recommendations:

Ensure your devices are up to date with the latest security updates from Microsoft and from your hardware manufacturer. For more info on keeping your device up to date, see Windows Update: FAQ.

Continue to practice sensible caution when visiting websites of unknown origin and do not remain on sites you do not trust. Microsoft recommends all customers protect their devices by running a supported antivirus program. Customers can also take advantage of built-in antivirus protection: Windows Defender for Windows 10 devices, or Microsoft Security Essentials for Windows 7 devices. These solutions are compatible in cases where customers can’t install or run antivirus software.

I wasn’t offered the Windows security updates that were released on January 3, 2018. What should I do?
To help avoid adversely affecting customer devices, the Windows security updates released in January or February, , have not been offered to all customers. For details, see the Microsoft Knowledge Base Article 4072699.

Intel has identified reboot issues with microcode on some older processors. What should I do?
Intel has reported issues with recently released microcode meant to address Spectre variant 2 (CVE 2017-5715 Branch Target Injection) – specifically Intel noted that this microcode can cause “higher than expected reboots and other unpredictable system behavior” and then noted that situations like this may result in “data loss or corruption.” Our own experience is that system instability can in some circumstances cause data loss or corruption. On January 22, Intel recommended that customers stop deploying the current microcode version on impacted processors while they perform additional testing on the updated solution. We understand that Intel is continuing to investigate the potential impact of the current microcode version and encourage customers to review their guidance on an ongoing basis to inform their decisions.

While Intel tests, updates and deploys new microcode, we are making available an out of band update today, KB4078130, that specifically disables only the mitigation against CVE-2017-5715 – “Branch target injection vulnerability.” In our testing this update has been found to prevent the behavior described. For the full list of devices, see Intel’s microcode revision guidance. This update covers Windows 7 (SP1), Windows 8.1, and all versions of Windows 10, for client and server. If you are running an impacted device, this update can be applied by downloading it from the Microsoft Update Catalog website. Application of this payload specifically disables only the mitigation against CVE-2017-5715 – “Branch target injection vulnerability.”

As of January 25, there are no known reports to indicate that this Spectre variant 2 (CVE 2017-5715 ) has been used to attack customers. We recommend Windows customers, when appropriate, reenable the mitigation against CVE-2017-5715 when Intel reports that this unpredictable system behavior has been resolved for your device.

I have not installed the January 2018 Security Only updates. If I install the February 2018 Security Only updates, am I protected from the vulnerabilities described in this advisory?
Yes. While Security Only updates are not normally cumulative, to ensure customers are protected, Microsoft is including the mitigations against these vulnerabilities in the February Security Only updates. These updates also include the updates for AMD-based devices.

If I apply any of the applicable February security updates, will they disable the protections for CVE-2017-5715 like security update 4078130 did?
No. Security update 4078130 was a specific fix to prevent unpredictable system behaviors, performance issues, and/or unexpected reboots after installation of microcode. Applying the February security updates on Windows client operating systems enables all three mitigations. On Windows server operating systems, you still need to enable the mitigations after proper testing is performed. See Microsoft Knowledge Base Article 4072698 for more information.

Source: https://support.microsoft.com/en-us/...ectre-meltdown

See also:

Windows Client Guidance against speculative execution vulnerabilities - Windows 10 Forums

Understanding performance impact of Spectre and Meltdown mitigations - Windows 10 Forums

Windows OS security update block for some AMD based devices - Windows 10 Forums

Windows security updates released Jan 3, 2018, and AV software - Windows 10 Forums

Meltdown and Spectre

Click to expand...
Brink, Jan 8, 2018

#1
BURGURNE

Burgurne Win User

Where to find the list of updated and compatible antivirus-programs?

:)

Burgurne, Jan 8, 2018

#2
FERDZ AMP

Ferdz Amp Win User

Computer infected with the virus back yes should replace hard drive new not, my hard drive is still good?

We are not able to confirm the accuracy of the information provided in that link. If you are concerned about the new hardware processor vulnerabilities that are Spectre and Meltdown. We have here a dedicated support article to provide more information on
how to
Protect your Windows devices against Spectre and Meltdown.

Hope it helps.

Ferdz Amp, Jan 8, 2018

#3
THAO NGUYEN998

Thao Nguyen998 Win User

Protect your Windows devices against Spectre and Meltdown

Computer infected with the virus back yes should replace hard drive new not, my hard drive is still good?

We are not able to confirm the accuracy of the information provided in that link. If you are concerned about the new hardware processor vulnerabilities that are Spectre and Meltdown. We have here a dedicated support article to provide more information on
how to
Protect your Windows devices against Spectre and Meltdown.

Hope it helps.
Click to expand...

Thank you I will read this article

Thao Nguyen998, Jan 8, 2018

#4
Brink New Member

Here you go: *Smile

CVE-2017-5753, CVE-2017-5715, and CVE-2017-5754 (Meltdown and Spectre) Windows antivirus patch compatibility

From: How to check if your AV is blocking Microsoft patch - Windows 10 Forums

Brink, Jan 8, 2018

#5
BURGURNE

Burgurne Win User

Thank you, Brink *Smile.

Burgurne, Jan 8, 2018

#6
F14TOMCAT

f14tomcat Win User

Timely, timely, timely! Wish there were a way you could pin this to the top of Forum main page. *Smile Thank you!

f14tomcat, Jan 8, 2018

#7
EMAILX45

emailx45 Win User

Protect your Windows devices against Spectre and Meltdown

Microsoft halts distribution of Spectre & Meltdown fixes on AMD systems after reports of unbootable PCs

Windows OS security update block for some AMD based devices - Windows 10 Forums

emailx45, Jan 9, 2018

#8
COPYER

copyer Win User

Funny.. MSI also a big player and nothing but silence even on their forums...

copyer, Jan 9, 2018

#9
TONY K

Tony K Win User

Thanks for putting this all together in one place, Shawn. *Smile

I see ASUS nor AMD aren't concerned about the vulnerability. Why is it all just Intel?

Tony K, Jan 9, 2018

#10
COPYER

copyer Win User

Funny.. MSI also a big player and nothing but silence even on their forums...
Click to expand...

Found some news regarding this, seems end of this month.. Meltdown and Spectre patch Mitigations

copyer, Jan 9, 2018

#11
YOURAVINALARRRF

youravinalarrrf Win User

Here's a response from one of MSI's forum moderators in response to the question Is MSI going to offer BIOSes with fixed microcodes for LGA1150 boards (Spectre)?

The only official statement that we (we meaning the moderators) have from MSI is that they are working on it.

We don't know exactly which boards MSI will go back and fix, and we don't know when it will happen.

Yes, I realize that is not the response you want. I can't give you something that we don't have unfortunately. MSI is being tight lipped on it, and has merely said they are working on it, and that's it.

That being said, if that answer is not a 'good enough' answer, your best bet is to contact them directly. See : >>How to contact MSI.<<

I wish that I could provide you with more information than that, and I would if I could (as I have with everything I try to pass on to users....). We just haven't been told anything more than that.
Which is more or less in line with official responses from other vendors (ie Asus still has no timeline, or information posted about what they WILL do, other than acknowledging there is a problem and that updates will come).
Click to expand...

Is MSI going to offer BIOSes with fixed microcodes for LGA1150 boards (Spectre)?

youravinalarrrf, Jan 9, 2018

#12
CLINIAS

Clinias Win User

Protect your Windows devices against Spectre and Meltdown

Microsoft halts distribution of Spectre & Meltdown fixes on AMD systems after reports of unbootable PCs
Windows OS security update block for some AMD based devices - Windows 10 Forums
Click to expand...

Last night after finishing work on my computer, I ran PCmatic. The computer crashed at the last part of the PCmatic operation. My computer won't reboot. It says "Inaccesible Boot device". I think I just got hit with that Spectre thing. I have an old Dell, AMD processor.

Clinias, Jan 9, 2018

#13
JOSEY WALES

Josey Wales Win User

http://www.zdnet.com/article/microso...36907308126755

Josey Wales, Jan 9, 2018

#14
CLINIAS

Clinias Win User

http://www.zdnet.com/article/microso...36907308126755
Click to expand...

Thank you Mr. Wales.

Clinias, Jan 9, 2018

#15

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