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Microsoft Rolls Out Windows 10 ‘Patch Tuesday’ Cumulative Updates

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In addition to re-releasing Windows 10 October Update (version 1809), all other supported versions of Windows 10 are getting cumulative updates.

It’s Patch Tuesday and in addition to re-releasing Windows 10 October 2018 Update, Microsoft today is also rolling out cumulative updates to all other supported versions of Windows 10 and Server. There are no new features in any of these updates, but there are system and security improvements as well as bug fixes.

Windows 10 1803 April 2018 Update

For those of you running Windows 10 1803 and delaying the 1809 update for now, here is what you can expect with today’s cumulative update KB4467702:

  • Provides protections against an additional subclass of speculative execution side-channel vulnerability known as Speculative Store Bypass (CVE-2018-3639) for AMD-based computers. These protections aren’t enabled by default. For Windows client (IT pro) guidance, follow the instructions in KB4073119. For Windows Server guidance, follow the instructions in KB4072698. Use these guidance documents to enable mitigations for Speculative Store Bypass (CVE-2018-3639). Additionally, use the mitigations that have already been released for Spectre Variant 2 (CVE-2017-5715) and Meltdown (CVE-2017-5754).
  • Addresses an issue that may prevent developer tools (F12) from starting in Microsoft Edge.
  • Security updates to Microsoft Edge, Internet Explorer, Windows Scripting, Windows App Platform and Frameworks, Windows Graphics, Windows Graphics, Windows Media, Windows Wireless Networking, Windows Kernel, and Windows Server.

Windows 10 Fall Creators Update Version 1709

If you are still running the Fall Creators Update you will get KB4467686 which includes the following fixes:

  • Provides protections against an additional subclass of speculative execution side-channel vulnerability known as Speculative Store Bypass (CVE-2018-3639) for AMD-based computers. These protections aren’t enabled by default. For Windows client (IT pro) guidance, follow the instructions in KB4073119. For Windows Server guidance, follow the instructions in KB4072698. Use these guidance documents to enable mitigations for Speculative Store Bypass (CVE-2018-3639). Additionally, use the mitigations that have already been released for Spectre Variant 2 (CVE-2017-5715) and Meltdown (CVE-2017-5754).
  • Security updates to Windows Scripting, Internet Explorer, Microsoft Edge, Windows Media, Windows Graphics, Windows App Platform and Frameworks, Windows Server, Windows Kernel, and Windows Virtualization and Kernel.

It’s also worth noting that if you are still on the Anniversary update (version 1703) you will get KB4467691 which essentially includes the same fixes as 1709. Whichever supported version of Windows 10 you are running, you should get the updates automatically or you can get them by going to Settings > Update & Security > Windows Update and each update will slightly bump your build number.


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