Xbox system update (OS 10.0.26100.8561)
Microsoft released an Xbox system update (OS version 10.0.26100.8561) on 12/06/2026. 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.
Manufacturer release date: 12/06/2026
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The source check for this release hasn't completed in over 24 hours — some information may be out of date.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
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 helpOfficial 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- 05/10/2026 — updated: Superseded by xbox-console-10-0-26100-9438-2026-09-22 — the current applicable release for these devices.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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