KB5008215 applies to Windows 11.
- This update contains miscellaneous security improvements to internal OS functionality. No additional issues were documented for this release.
- Improvised device management for AMD and Intel machines.
- The firmware update patches several Windows components including Microsoft PowerShell, Microsoft Office, DirectX, Media, Remote Desktop Client, Hyper-V, Print Spooler, to name a few. You can view the full list on the Update Guide page. The security fixes that the update ships with addresses mitigations, FAQs, and workarounds for nearly three dozen vulnerabilities.
This update was slow to download suggesting a lot of fixes are included.