This security update resolves several reported vulnerabilities in Internet Explorer. To learn more about these vulnerabilities, see Microsoft Common Vulnerabilities and Exposures.
Additionally, see the following articles for more information about cumulative updates:
If you install a language pack after you install this update, you must reinstall this update. Therefore, we recommend that you install any language packs that you need before you install this update. For more information, see Add language packs to Windows.
How to get and install this update
Before installing this update
You must have the following updates installed before installing this update (KB 4525106). Installing these updates improves the reliability of the update process and mitigates potential issues while installing this update.
- Servicing stack update (SSU) (KB 4516655) or a later SSU update. To get the standalone package for the latest SSU, search for it in the Microsoft Update Catalog.
- SHA-2 update (KB 4474419) released September 23, 2019 or a later SHA-2 update. For more information on SHA-2 updates, see 2019 SHA-2 Code Signing Support requirement for Windows and WSUS.
Install this update
To install this update, use one of the following release channels.
|Release Channel||Available||Next Step|
|Windows Update and Microsoft Update||Yes|| |
None. This update will be downloaded and installed automatically from Windows Update for the following versions:
For all other versions, see the other options below.
|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 synchronize with WSUS if you configure Products and Classifications as follows:
Product: Windows Server 2008 Service Pack 2, Windows 7 Service Pack 1, Windows Server 2008 R2 Service Pack 1, Windows Server 2012, Windows Embedded 8 Standard, Windows 8.1, Windows Server 2012 R2
Classification: Security Updates
The English (United States) version of this software update installs files that have the attributes that are listed in the following tables.
Note The MANIFEST files (.manifest) and MUM files (.mum) that are installed are not listed.
Windows 8.1, Windows RT 8.1 and Windows Server 2012 R2
Windows Server 2012
Windows 7 and Windows Server 2008 R2
Windows Server 2008 SP2