1. KB5086672 is an out-of-band cumulative update for Windows 11 versions 24H2 and 25H2, addressing installation issues and including previous updates.
2. It resolves the installation error 0x80073712 related to the earlier preview update KB5079391, which is no longer offered.
3. The update incorporates improvements from KB5079391, such as enhanced Smart App Control, Windows Hello reliability, and error message removal during sfc /scannow.
4. KB5086672 is available via Windows Update and the Microsoft Update Catalog, recommended for users who missed or encountered issues with previous updates.
5. This release aligns with Microsoft’s broader focus on improving Windows quality, responsiveness, and native experience using WinUI 3.
Latest Windows 11 Update From Microsoft
Microsoft just dropped an out-of-band update named KB5086672 for Windows 11, specifically for versions 24H2 and 25H2. The update, dated March 31, upgrades the system to OS Builds 26100.8117 and 26200.8117 respectively. This package is pretty notable because it didn’t just include features from the recent optional preview update KB5079391, but it also squashed a nasty installation bug that was causing problems for some devices trying to install that update.
What Makes KB5086672 Important
Now, here’s why this update is so crucial; KB5079391 was temporarily not available for new devices because of a troublesome installation error. Some users reported error 0x80073712, which basically means some update files were missing or damaged. That was a big problem, especially because KB5079391 wasn’t just a test build—it came with real improvements like smarter app control options that could be toggled without a clean install, tweaks to error messages, and better fingerprint recognition on Windows Hello. Microsoft made sure these improvements are now baked into KB5086672, making it an all-in-one fix that replaces the earlier pending update and fixes installation issues at the same time.
Content and Compatibility Details
This cumulative update basically bundles previous March releases such as KB5079473 and KB5085516, giving Microsoft an effective way to deliver all these fixes in one go. It’s like they’re streamlining their update process for Windows 11 users. If your device already has KB5079473 or newer, then automatic updates via Windows Update should bring this new patch automatically. For manual updates, or if you prefer to get things directly, it’s available through the Microsoft Update Catalog.
Known Issues and Future Outlook
At this moment, Microsoft has said they aren’t aware of any issues lurking with KB5086672—that makes it a pretty safe update for users, especially those who missed the previous KB5079391 due to various reasons. Whether you skipped the optional update or had trouble installing it, this patch offers a straightforward fix without complications. Meanwhile, Microsoft continues to focus on improving core Windows stability and responsiveness. As reports from sources like Notebookcheck highlight, there’s a bigger push toward more native experiences and greater use of WinUI 3 in different parts of Windows 11, with updates like KB5086672 being part of that broader effort to make the OS more reliable and smoother to use.






