November 10, 2020—KB4586787 (OS Build 10240.18756) - EXPIRED (original) (raw)
Version:
OS Build 10240.18756
NEW 8/5/21EXPIRATION NOTICE
IMPORTANT As of 8/5/2021, this KB is no longer available from Windows Update, the Microsoft Update Catalog, or other release channels. We recommend that you update your devices to the latest security quality update.
UPDATED 11/10/20 For more information about the various types of Windows updates, such as critical, security, driver, service packs, and so on, please see the following article. To view other notes and messages, see the Windows 10, version 1507 update history home page.
Highlights
- Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.
- Updates to improve security when using Microsoft Office products.
Improvements and fixes
This security update includes quality improvements. Key changes include:
- Allows administrators to use a Group Policy to enable Save Target As for users in Microsoft Edge IE Mode.
- Allows you to restrict the JScript Scripting Engine to a process.
- Updates the 2020 DST start date for the Fiji Islands to December 20, 2020.
- Addresses a security vulnerability by preventing applications that run as a SYSTEM account from printing to local ports that point to a file. Failing print jobs log error 50, “The request is not supported.” in event ID 372 in the PrintService\Admin event log. To address this issue in the future, make sure your applications or services run as a specific user or service account.
- Security updates to the Microsoft Scripting Engine, the Microsoft Graphics Component, the Windows Wallet Service, Windows Cryptography, and Windows Fundamentals.
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 new Security Update Guide website.
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 doesn't 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
Before installing this update
Microsoft strongly recommends that 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 (KB4565911) 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 4586787.
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