GoKawiilMicrosoft has released the Windows 10 KB5087544 extended security update to fix the May 2026 Patch Tuesday vulnerabilities and resolve an issue with the new Remote Desktop warnings.
If you are running Windows 10 Enterprise LTSC or are enrolled in the ESU program, you can install this update like normal by going into Settings, clicking on Windows Update, and manually performing a 'Check for Updates.'
Windows 10 KB5087544 update
Source: BleepingComputer
After installing this update, Windows 10 will be updated to build 19045.7291, and Windows 10 Enterprise LTSC 2021 will be updated to build 19044.7291.
What's new in Windows 10 KB5087544
Microsoft is no longer releasing new features for Windows 10, and the KB5087544 update primarily contains security updates and bug fixes. With today's May 2026 Patch Tuesday, Microsoft has fixed 120 vulnerabilities.
The complete list of fixes in KB5087544 is listed below:
[Remote Desktop security warnings (known issue)] Fixed: The Remote Desktop Connection security warning dialog might render incorrectly in multi-monitor configurations with different display scaling settings. This issue might occur after installing the Windows security update released on April 14, 2026 (KB5087544).
[Secure Boot] This update enables dynamic status reporting for Secure Boot states in Windows Security App. With this update, Windows quality updates include additional high confidence device targeting data, increasing coverage of devices eligible to automatically receive new Secure Boot certificates. Devices receive the new certificates only after demonstrating sufficient successful update signals, maintaining a controlled and phased rollout.
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