Patch Tuesday Fixes a Whopping 75 Issues – Microsoft Also Expands Intel Microcode Updates to Kaby Lake & Coffee Lake

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Mar 13, 2018
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Microsoft has announced today that it’s broadening the range of devices that will receive mitigations for Spectre and Meltdown chip bugs. “Today, we are announcing the expansion of devices covered by Windows security updates by removing the anti-virus compatibility check for Windows 10 devices, expanding the availability of Intel microcode updates in the Microsoft Catalog, and adding coverage for x86 editions of Windows 71 and Windows 8.1,” the company wrote.

The expanded set of Intel microcode updates covers a broad set of the latest generation Intel platforms including Skylake, Kaby Lake, and Coffee Lake devices, and is available for Windows 10 version 1709.

Ahead of ZDI’s Pwn2Own contest starting tomorrow, Microsoft has also released Windows 10 cumulative updates fixing a number of security issues, including some rated highly critical. Today’s patches include fixes for over 75 security issues in Internet Explorer, Microsoft Edge, Windows, ChakraCore, Microsoft Office, and ASP.NET Core.

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Microsoft’s Patch Tuesday: Windows 10 Fall Creators Update receives KB4088776

Those on Windows 10 Fall Creators Update version 1709 are being updated to build 16299.309 (KB4088776). The fixes include:

  • Addresses issue where Internet Explorer stops working when using F12-based developer tools.
  • Addresses issue with printing XML documents with Internet Explorer and Microsoft Edge.
  • Updates legacy Document Mode cell visibility in Internet Explorer.
  • Addresses issue with pinch and zoom gestures on some hardware in Internet Explorer.
  • Addresses issue where Internet Explorer is unresponsive in certain scenarios when a Browser Helper Object is installed.
  • Addresses issue to prevent media and other applications from becoming unresponsive or failing when upgrading graphics drivers.
  • Addresses issue where customers receive “Check your account, you don’t own this content” errors when attempting to play or install owned content. This issue can also result in customers getting kicked out of a game in the middle of play.
  • Addresses issue where, after installing KB4056892,KB4073291, KB4058258, KB4077675, or KB4074588 on a server, you may not be able to access SMB shared files in directory junction points or volume mount points hosted on that server. The error is “ERROR_INVALID_REPARSE_DATA”. As a result, editing some group policies using GPMC or AGPM 4.0 may fail with the error “The data present in the reparse point buffer is invalid. (Exception from HRESULT: 0x80071128)”.
  • Addresses issue where an AD FS server issue causes the WID AD FS database to become unusable after a restart. This might prevent the AD FS service from starting.
  • Addresses issue where, after installing KB4090913, the Mixed Reality Portal may fail to initialize. This results in an “SXXXXXXX-X” error or a “We couldn’t download the Windows Mixed Reality Software” message may appear after the software is successfully downloaded.
  • Lifts the Anti-Virus (AV) compatibility check to expand the number of Windows 10 devices that are offered cumulative Windows security updates. This includes cumulative Spectre and Meltdown protections for 32-Bit (x86) and 64-Bit (x64) versions of Windows, except the KB4078130 update that was offered to disable mitigation against Spectre Variant 2.
  • Addresses issue that only affects some versions of antivirus software and only applies to computers on which the antivirus ISV updated the ALLOW REGKEY.
  • Security updates to Internet Explorer, Microsoft Edge, Microsoft Scripting Engine, Windows Desktop Bridge, Windows Kernel, Windows Shell, Windows MSXML, Device Guard, Windows Hyper-V, Windows Installer, and the Microsoft Scripting Engine.

Windows 10 Creators Update 1703 receives KB4088782

PC users on Windows 10 Creators Update version are being updated to build 15063.966 (KB4088782). The fixes include:

  • Addresses issue with printing XML documents in Internet Explorer and Microsoft Edge.

  • Addresses issue where Internet Explorer stops working when using F12-based developer tools.
  • Updates legacy Document Mode cell visibility in Internet Explorer.
  • Addresses issue where Internet Explorer is unresponsive in certain scenarios when a Browser Helper Object is installed.
  • Addresses issue that causes online video playback to stop responding.
  • Addresses issue where, after installing KB4056891, KB4057144, or KB4074592 on a server, you may not be able to access SMB shared files in directory junction points or volume mount points hosted on that server. The error is “ERROR_INVALID_REPARSE_DATA”. As a result, editing some group policies using GPMC or AGPM 4.0 may fail with the error “The data present in the reparse point buffer is invalid. (Exception from HRESULT: 0x80071128)”.
  • Lifts the Anti-Virus (AV) compatibility check to expand the number of Windows 10 devices that are offered cumulative Windows security updates. This includes cumulative Spectre and Meltdown protections for 32-Bit (x86) and 64-Bit (x64) versions of Windows, except the KB4078130 update that was offered to disable mitigation against Spectre Variant 2.
  • Addresses issue that only affects some versions of antivirus software and only applies to computers on which the antivirus ISV updated the ALLOW REGKEY.
  • Security updates to Internet Explorer, Microsoft Edge, Microsoft Scripting Engine, Windows Desktop Bridge, Microsoft Graphics component, Windows Kernel, Windows Shell, Windows MSXML, Windows Installer, and Windows Hyper-V.

Windows 10 Anniversary Update 1607 gets KB4088787

Here’s the changelog of Windows 10 version 1607, build 14393.2125:

  • Addresses issue with printing XML documents with Internet Explorer and Microsoft Edge.

  • Addresses issue where Internet Explorer stops working when using F12-based developer tools.
  • Updates legacy Document Mode cell visibility in Internet Explorer.
  • Addresses issue where Internet Explorer is unresponsive in certain scenarios when a Browser Helper Object is installed.
  • Addresses issue that causes online video playback to stop responding.
  • Addresses issue where an AD FS server issue causes the WID AD FS database to become unusable after a restart. This might prevent the AD FS service from starting.
  • Lifts the Anti-Virus (AV) compatibility check to expand the number of Windows 10 devices that are offered cumulative Windows security updates. This includes cumulative Spectre and Meltdown protections for 32-Bit (x86) and 64-Bit (x64) versions of Windows, except the KB4078130 update that was offered to disable mitigation against Spectre Variant 2.
  • Addresses issue that only affects some versions of antivirus software and only applies to computers on which the antivirus ISV updated the ALLOW REGKEY.
  • Security updates to Internet Explorer, Microsoft Edge, Microsoft Scripting Engine, Microsoft Windows Search component, Windows Desktop Bridge, Microsoft Graphics component, Windows Kernel, Windows Shell, Windows MSXML, Windows Datacenter Networking, Windows Installer, and Windows Hyper-V.
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