Patch Tuesday updates for Windows 7 and Windows 8.1, October 13, 2020

Besides the updates for Windows 10, Microsoft today released security updates for Windows 7 (KB4580345) and Windows 8.1 (KB4580347). Here are the fixes included in them.

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Windows 8.1

  • Corrects the end date for daylight savings time (DST) in 2021 for the Fiji Islands. For more information, see DST correction in Windows for the Fiji Islands: October 13, 2020.
  • Addresses an issue where Group Policy recursively deletes critical files when the "Delete local user profile policy" is enabled.
  • Addresses an issue in which a Null port is created through the user interface.
  • Adds a notification to Internet Explorer 11 that informs users about the end of support for Adobe Flash in December 2020. For more information, see KB4581051.
  • Addresses an issue with Microsoft Edge IE Mode that occurs when you enable Configure enhanced hang detection for Internet Explorer mode in Microsoft Edge.
  • Allows administrators to disable JScript in specific security zones.
  • Security updates to Windows App Platform and Frameworks, Windows Graphics, Windows Shell, Windows Silicon Platform, Windows Cloud Infrastructure, Windows Fundamentals, Windows Authentication, Windows Virtualization, Windows Kernel, Windows Core Networking, Windows Network Security and Containers, Windows Remote Desktop, and Windows SQL components.

The security-only package is KB4580358.

Windows 7 Banner Logo Wallpaper

Windows 7

KB4580345 for Windows 7 includes almost the same changes, but it is only available for ESU subscribers.

  • Addresses an issue that might cause the Graphics Device Interface (GDI) to access internal regions incorrectly causing unexpected UI experiences. This issue can cause additional or missing screen elements, screen flickering, or a trailing screen.
  • Corrects the end date for daylight savings time (DST) in 2021 for the Fiji Islands. For more information, see DST correction in Windows for the Fiji Islands: October 13, 2020.
  • Addresses an issue where Group Policy recursively deletes critical files when the "Delete local user profile policy" is enabled.
  • Addresses an issue in which a Null port is created through the user interface.
  • Security updates to Windows App Platform and Frameworks, Windows Graphics, Windows Shell, Windows Silicon Platform, Windows Cloud Infrastructure, Windows Fundamentals, Windows Authentication, Windows Virtualization, Windows Core Networking, Windows Network Security and Containers, Windows Storage and Filesystems, Windows SQL components, and Windows Remote Desktop.

KB4580387 is the appropriate security-only update for Windows 7.

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