XboxRoutine updateSystem update

Xbox system update (OS 10.0.26100.8556)

Microsoft released an Xbox system update (OS version 10.0.26100.8556) on 10/06/2026. Microsoft does not publish CVE details for console system updates.

Historical release — a newer release is available

This article is retained as a historical record. Follow the newer release for the device and software branch it covers; this does not establish whether an older branch is still supported.

Xbox system update (OS 10.0.26100.9647)

Manufacturer release date: 10/06/2026

Article last updated: 05/10/2026

Sources last checked: 05/10/2026

The source check for this release hasn't completed in over 24 hours — some information may be out of date. The manufacturer's official page below is always the most current source.

What has changed

Microsoft's release notes list: New startup animation; Gamerscore milestone badges; Understanding your game library at a glance; New Rewards experience; Increased resolution for Gamerpics and game box art; Bug fixes.

Who should check

Covers: Xbox consoles.

Applies to: Xbox Series X|S, Xbox One.

We don't know which software your device is running. The steps below show you how to check — then compare what you see with the affected versions listed here.

What to do

On the console, go to Profile & system > Settings > System > Updates, or follow Xbox Support's update help page.

Xbox One and Xbox Series X|S receive updates on shared system branches; if no update is offered, the console may already be on the latest version.

How to check, and how to update

Xbox console

Check the version: Press the Xbox button, then go to Profile & system > Settings > System > Updates & downloads to see the installed system version.

Install the update: In the same Updates & downloads screen, choose the available update and follow the instructions.

Menus can differ slightly between models and software versions — if something looks different, follow the manufacturer's official page below.

Xbox Support: system update help

Official sources

Xbox Support(support.xbox.com)

Record history

05/10/2026 — updated: Superseded by xbox-console-10-0-26100-9438-2026-09-22 — the current applicable release for these devices.
05/10/2026 — published: Verified from Microsoft's public release notes.

Written from official sources; not an automated feed. Guidance can help reduce risk. No setting or service can guarantee complete online safety.

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