Windows 8.1 KB4034672, KB4034681 fix error 0x19 and improve security


Madalina Dinita
by Madalina Dinita
Managing Editor
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Windows 8.1 recently received two important updates: security update KB4034672 and monthly rollup KB4034681. These two updates include a series of security improvements for many Windows components. The content of these updates is quite similar.

KB4034672 patch notes:

  • Addressed issue where a LUN connection that was received after the buffer allocation during iSCSI statistic collection overflowed the buffer and caused error 0x19. A UI issue that hides the iSCSI targets will be addressed in an upcoming release.
  • Security updates to Windows Server, Microsoft Windows Search Component, Volume Manager Driver, Common Log File System Driver, Microsoft Windows PDF Library, Microsoft JET Database Engine, Windows kernel-mode drivers, and Windows Hyper-V.

KB4034681 patch notes:

  • Addressed issue where a LUN connection that was received after the buffer allocation during iSCSI statistic collection overflowed the buffer and caused error 0x19. A UI issue that hides the iSCSI targets will be addressed in an upcoming release.
  • Security updates to Windows Server, Microsoft Windows Search Component, Internet Explorer, Volume Manager Driver, Common Log File System Driver, Microsoft Windows PDF Library, Microsoft JET Database Engine, Windows kernel-mode drivers, and Windows Hyper-V.

Download KB4034672 and KB4034681

Windows Update will automatically download and install these updates. You can also download the standalone package for each update from the Microsoft Update Catalog website. Simply search the update that you want to install and then hit the download button.

For the time being, Microsoft hasn’t listed any known issues with this update. Users haven’t reported any bugs either.

Have you already downloaded KB4034672 and KB4034681 on your Windows 8.1 computer? Did you encounter any issues? Let us know in the comments below.

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