May 12, 2020—KB4556812 (OS Build 16299.1868)

Diguna pakai untuk: Windows 10, version 1709, all editionsWindows 10, version 1709 (Enterprise, Education, IoT Enterprise)

Highlights


  • Updates to improve security when using Internet Explorer and Microsoft Edge.
  • Updates to improve security when using input devices such as a mouse, keyboard, or stylus.
  • Updates to improve security when using Microsoft Xbox.
  • Updates to improve security when Windows performs basic operations.
  • Updates for storing and managing files.
  • Updates to improve security when using external devices (such as game controllers, printers, and web cameras).

Improvements and fixes


This security update includes quality improvements. Key changes include:

  • Addresses an issue that prevents certain apps from installing if they are published using a Group Policy Object. 
  • Updates the 2020 start date for daylight saving time (DST) in the Kingdom of Morocco.
  • Addresses an issue that causes a memory leak in the LsaIso.exe process when the server is under a heavy authentication load and Credential Guard is enabled.
  • Addresses an issue with running klist.exe that causes lsass.exe to stop working and generates an access violation error (0xC0000005). 
  • Addresses an issue that prevents Microsoft Internet Information Services (IIS) management tools, such as IIS Manager, from managing an ASP.NET application that has configured SameSite cookie settings in web.config
  • Addresses an issue that prevents a call to NCryptGetProperty() from returning the correct pbOutput value when pszProperty is set to "Algorithm Group" and you are using a Trusted Platform Module (TPM) 1.2 device.
  • Security updates to Internet Explorer, the Microsoft Scripting Engine, Windows App Platform and Frameworks, Windows Input and Composition, Windows Media, Windows Shell, Microsoft Xbox, Microsoft Edge, Windows Fundamentals, Windows Cryptography, Windows Kernel, Windows Update Stack, Windows Core Networking, Windows Peripherals, Internet Information Services, Windows Network Security and Containers, Windows Active Directory, Windows Storage and Filesystems, and the Microsoft JET Database Engine.

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, please refer to the Security Update Guide.

Known issues in this update


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

How to get this update


Before installing this update

Microsoft strongly recommends you install the latest servicing stack update (SSU) for your operating system before installing the latest cumulative update (LCU). SSUs improve the reliability of the update process to mitigate potential issues while installing the LCU and applying Microsoft security fixes. For general information about SSUs, see Servicing stack updates and Servicing Stack Updates (SSU): Frequently Asked Questions.

If you are using Windows Update, the latest SSU (KB4541731) will be offered to you automatically. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.

Install this update

Release Channel Available Next Step
Windows Update and Microsoft Update Yes None. This update will be downloaded and installed automatically from Windows Update.
Microsoft Update Catalog Yes To get the standalone package for this update, go to the Microsoft Update Catalog website.
Windows Server Update Services (WSUS) Yes

This update will automatically sync with WSUS if you configure Products and Classifications as follows:

Product: Windows 10

Classification: Security Updates

 

File information

For a list of the files that are provided in this update, download the file information for cumulative update 4556812