KB4088891 & KB4089848 are available for Windows 10

KB4089848 & KB4088891 cumulative updates are just released by Microsoft and are (for now) available via a manual download link. The updates getting released over WSUS within the next hours. The updates are for Windows 10 1709 and 1703 systems. Both updates are bugfix releases and none of them adding new features into your Windows.

microsoft cumulative updates

KB4088891

This update is for Windows 10 1703 (Creators Update) only. The update catalog entry is also already available. After you updated your Windows 10 you should see that your Build was upgraded to 15063.994.

In case you see the 0x80070643 error, ensure you see if your Windows version was increased via RUN – Winver. The error can wrongly appear even after the installation was successfully.

Improvements and fixes

This update includes quality improvements. No new operating system features are being introduced in this update.

  • Addresses issue with a GDI handle leak in the Windows Ribbon control.
  • Addresses issue where, during BitLocker decryption or encryption of a drive, files protected with the Encrypting File System (EFS) may become corrupted.
  • Addresses issue where, when an iSCSI request contains an incomplete header in the first packet, iSCSI may not recognize when a request has been sent.
  • Adds support in stornvme for additional SSDs.
  • Addresses issue where the Japanese keyboard layout was not functioning properly during a Remote Assistance session.
  • Addresses rendering issue in Microsoft Edge for PDF documents with backgrounds created using various third-party publishing tools.

KB4089848

This update is for Windows 10 1709 (Fall Creators Update) systems. After you updated your Windows 10 you should see that your Build was upgraded to 16299.334.

The KB seems to have no known issue (the Superfetch service might gets restarted after installing it but it’s not really dramatically) – the biggest change seems that the exploit protection in Windows Defender was fixed and is now again full functional.

Improvements and fixes

This update includes quality improvements. No new operating system features are being introduced in this update.

  • Addresses issue with a GDI handle leak in the Windows Ribbon control.
  • Addresses issue where users can’t select OK after entering credentials in command line on Windows Server version 1709.
  • Addresses issues where Bluetooth devices fail to receive data after a restart.
  • Addresses issue where, during BitLocker decryption or encryption of a drive, files protected with the Encrypting File System (EFS) may become corrupted.
  • Addresses issue where the server may occasionally encounter an error during file transfer. The error is “Stop D1 in tcpip!TcpSegmentTcbSend”.
  • Addresses issue where an iSCSI RESET might trigger a cluster failover.
  • Addresses issue in MPIO where pass-through SCSI requests might lead to a stop error if the disk is pending removal.
  • Addresses issue where processing of group policies may fail, and policies may be removed as a result. This occurs if the length of the Windows Defender Firewall policy rule exceeds 260 characters.
  • Addresses issue caused by a new privilege in Windows Server 2016 and Windows 10 version 1709 named “Obtain an impersonation token for another user in the same session”. When applied using Group Policy to those computers, gpresult /hfails to generate reporting data for any setting configured by the Security Configuration Engine (SCE) extension. The error message is “Requested value ‘SeDelegateSessionUserImpersonatePrivilege’ was not found”. The Group Policy Management Console fails to show the privilege in the Settings tab for a GPO where the setting has been configured.
  • Addresses issue where errors may occur when accessing WebDAV files or folders on a SharePoint site if the file or folder name contains multibyte characters.
  • Addresses issue where the Remote Desktop License report gets corrupted when it exceeds the 4 KB size limit.
  • Addresses issue where an Azure point-to-site VPN connection that uses IKEv2 may fail when the user’s device contains a large number of trusted root certificates.
  • Addresses rendering issue in Microsoft Edge for PDF documents with backgrounds created using various third-party publishing tools.
  • Addresses issue where a media platform stops responding when changing cameras rapidly on a device.
  • Addresses issue where a media platform stops responding, which affects media playback in Microsoft Edge, Internet Explorer, and Microsoft PowerPoint.
  • Addresses issue with spatial audio when used in connection to Dolby Atmos for Headphones.
  • Addresses issue where a credential prompt that requires administrative privileges appears when a standard user account performs the first logon to a Windows 10 device that has been deployed using Windows Autopilot.
  • Addresses issue where tiles in the Start menu aren’t preserved when upgrading from Windows 10 version 1607 to Windows 10 version 1709.
  • Addresses issue with Spell Check and custom dictionaries.
  • Addresses issue with the press and hold feature when using a pen in Tablet mode.
  • Addresses issue with editing web password fields using a touch keyboard.
  • Addresses issue where some Bluetooth card readers don’t work after a restart.

Download

Updates for 1607 KB4089510KB4088889 – or for KB4088825 for Build 1703 – are irrelevant because there only service stack updates, Windows 10 Build 1607 are going to be end-of-life soon.

Final Words

Yet again bugfix KB’s which are really surprisingly rolled-out of nowhere but there fixing a lot of things user reported over the past 10 days and that’s really a good things. Microsoft seems to react really fast now but hopefully that doesn’t mean in the future we getting every 10 days huge updates like this, the better goal in my opinion would be to take a step back, see the entire picture and release quality updates which don’t introduce much bugs in the first place. But on the other side this would be hard to archive, at some point you have to begin with and you can listen to user feedback all day long, without doing anything bugs and security relevant issue are not going to magically disappear without any effort.

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