W11 Cumulative Updates (April 14, 2026)

March 2026 Preview has an apparent servicing bug. Please don't use it for now.

March 26, 2026—KB5079391 (OS Builds 26200.8116 and 26100.8116) Preview

Known issues in this update​

Symptom

Some devices might encounter the following error while installing this update:
"Some update files are missing or have problems. We'll try to download the update again later. Error code: (0x80073712)"

Workaround

To prevent additional impact while the issue is investigated, Microsoft has temporarily limited the availability of this update. As a result, the update temporarily might not be offered through Windows Update.

Additional information will be shared as soon as it becomes available.
 
It came out on 25H2 V2, I don't know the exact date, but does anyone know if it has this bug?
 
Windows 11 25H2 v2 ISO is 26200.8037 (March 2026), so it doesn't include the OOB fixes.

Next week is Patch Tuesday, so you should just wait for the April 2026 update and apply it.
 
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