Security update for Windows 8.1, RT 8.1, and Server 2012 R2: August 19, 2020
Applies to: Windows 8.1, Windows RT 8.1, Windows Server 2012 R2
This update resolves vulnerabilities in the Windows operating systems that are listed in the "Applies to" section. To learn more about these vulnerabilities, see the following articles:
How to get this update
- CVE-2020-1530 | Windows Remote Access Elevation of Privilege Vulnerability
- CVE-2020-1537 | Windows Remote Access Elevation of Privilege Vulnerability
Microsoft Update Catalog
To get the standalone package for this update, go to the Microsoft Update Catalog website.
There are no prerequisites to apply this update.
You do not have to restart your device after you apply this update.
Update replacement information
This update does not replace any previously released update.
Direct download links for KB4578013 MSU file from Microsoft Update Catalog:
Download KB4578013 MSU for Windows 8.1 32-bit (x86) - 34.6 MB
Download KB4578013 MSU for Windows 8.1 64-bit (x64) - 53.8 MB
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