Related topics
×
Sign in with Microsoft
Sign in or create an account.
Hello,
Select a different account.
You have multiple accounts
Choose the account you want to sign in with.

Release Date:

3/22/2018

Version:

OS Build 15063.994

Improvements and fixes

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

  • 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.

  • Addresses issue that decreases the Universal CRT’s performance in the _gcvt and _gcvt_s functions.

  • Addresses issue in which the output to a file or pipe was fully buffered in the Universal CRT for the standard error (STDERR) stream.

  • Addresses issue in the Universal CRT by adding the "x" access mode flag to support the fopen() function.

  • Addresses issue with a race condition in the Universal C Runtime (CRT) that occurs when you update the global locale. The issue corrupts the current locale reference count and triggers a double free condition.

If you installed earlier updates, only the new fixes contained in this package will be downloaded and installed on your device.

For more information about the resolved security vulnerabilities, see the Security Update Guide.

Windows Update Improvements

Microsoft has released an update directly to the Windows Update client to improve reliability. Any device running Windows 10 configured to receive updates automatically from Windows Update, including Enterprise and Pro editions, will be offered the latest Windows 10 Feature Update based on device compatibility and Windows Update for Business deferral policy. This does not apply to long-term servicing editions.

Known issues in this update

Microsoft is not currently aware of any issues with this update.

How to get this update

This update will be downloaded and installed if you go to the Windows Settings > Update & Security > Windows Update page, and click Check online for updates from Microsoft Update.

To get the standalone package for this update, go to the Microsoft Update Catalog website.

Important When installing both the servicing stack update (SSU) (KB4088825) and the latest cumulative update (LCU) from the Microsoft Update Catalog, install the SSU before installing the LCU.

File information

For a list of the files that are provided in this update, download the file information for cumulative update 4088891

Need more help?

Want more options?

Explore subscription benefits, browse training courses, learn how to secure your device, and more.

Communities help you ask and answer questions, give feedback, and hear from experts with rich knowledge.

Was this information helpful?

What affected your experience?
By pressing submit, your feedback will be used to improve Microsoft products and services. Your IT admin will be able to collect this data. Privacy Statement.

Thank you for your feedback!

×