Microsoft released KB5079473 on March 10, 2026. The update is identified by the OS builds 26200.8037 and 26100.8037 and appears on Microsoft’s support site as a cumulative update for Windows 11.
What the entry shows
- KB identifier and date: The article is titled “March 10, 2026 — KB5079473 (OS Builds 26200.8037 and 26100.8037)” and is published on Microsoft’s official support site.
- Target builds and versions: The update is listed for Windows 11 OS builds 26200.8037 and 26100.8037. The support page places this KB in the context of recent cumulative updates for Windows 11 servicing branches (the page lists related KBs and build numbers for current Windows 11 versions).
How to review and obtain the update
- Microsoft’s KB article contains the authoritative details about what the update includes and how it is delivered. The support page typically provides links and guidance for administrators to review fixes, known issues, and download options (for example, the Microsoft Update Catalog) — consult the KB article directly for those links and instructions.
Context and update history
- The KB entry is part of Microsoft’s regular update cadence for Windows 11. The support page lists preceding and related KB releases (for example, updates published in February and January 2026), showing KB5079473 as the March entry in that sequence.
What you should do
- If you manage or use Windows 11 systems on the affected builds, open the Microsoft support article for KB5079473 to see the full list of fixes, any noted known issues, and official installation instructions. The KB article is the authoritative source for what is included in this cumulative update.
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