Microsoft has released Windows 10 KB5011487 and KB5011485 cumulative updates for versions 1909, 21H2, version 21H1, and version 20H2 to fix security vulnerabilities and resolve bugs.
The update is live for November 2021 Update, May 2021 Update, October 2020 Update (version 20H2). This update is not available for May 2020 Update (version 2004) if you use the consumer edition, but the same update will be offered on devices using enterprise or education SKUs.
The full list of Windows 10 updates released today are:
- Windows 10 version 1507 — KB5011491 (OS Build 10240.19235)
- Windows 10 version 1607 — KB5011495 (OS Build 14393.5006)
- Windows 10 version 1703 — EOS
- Windows 10 version 1709 — EOS
- Windows 10 version 1803 — EOS
- Windows 10 version 1809 — KB5011503 (OS Build 17763.2686)
- Windows 10 version 1903 — EOS
- Windows 10 version 1909 — KB5011485 (OS Build 18363.2158)
- Windows 10 version 2004 — EOS
- Windows 10 version 20H2, 21H1 and 21H1 — KB5011487 (OS Builds 19042.1586, 19043.1586, and 19044.1586)
Like every Patch Tuesday, this Windows 10 cumulative update is mandatory and can be installed by going to Settings, clicking on Windows Update, and selecting 'Check for Updates.'

Highlighted fixes in the KB5011487 update
After installing the KB5011487 update, Windows 10 20H2 will have its build number changed to 19042.1586, Windows 10 21H1 to 19043.1586, and Windows 10 21H1 to 19044.1586
The KB5011487 update comes with a few bug fixes and improvements, with some of the highlighted ones listed below.
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Provides the ability to share cookies between Microsoft Edge Internet Explorer mode and Microsoft Edge.
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Updates an issue that causes Microsoft Edge Internet Explorer mode to stop working when you press the F1 key.
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Updates an issue that affects dialog boxes in Microsoft Edge Internet Explorer mode.
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Updates an issue that causes screen readers to describe a back button as "button" rather than "back button".
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Updates an issue that sometimes causes the Chinese Simplified Input Method Editor (IME) to become completely unusable.
Microsoft also fixed a known issue when you attempt to reset a Windows device when apps have folders containing Microsoft OneDrive or Microsoft OneDrive for Business data.
When you select Remove everything, files that have been downloaded or synced locally from Microsoft OneDrive might not be deleted. This bug has also been resolved in today's update.
For those who wish to install the Windows 10 KB5011487 manually, you can download it from the Microsoft Catalog.
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Comments
pcsdpolsen - 3 years ago
Are there any indications that this update prevents you from using and/or reinstalling Internet Explorer 11 on Windows 21H1? Quickbooks desktop needs IE 11 to start and I can't reinstall IE 11.
noelprg4 - 3 years ago
https://quickbooks.intuit.com/learn-support/en-us/other-questions/quickbooks-requires-internet-explorer/00/623398/highlight/true/page/5
Intuit needs to get their act together and release an updated version of Quickbooks without those IE11 dependencies. Or else it may be time to find an alternative to Quickbooks