**[Patch Tuesday](https://winaero.com/september-2026-cumulative-updates-for-windows-11-and-10-patch-tuesday/)** Updates** 

 Windows 11

* Windows 11 (version 26H1) - [KB5124012](https://support.microsoft.com/en-us/help/5124012) (OS Build 28000.2954). [⬇️ Microsoft Update Catalog](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5124012).
* Windows 11 (version 25H2) - [KB5124008](https://support.microsoft.com/en-us/help/5124008) (OS Build 26200.9445). [⬇️ Microsoft Update Catalog](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5124008).
* Windows 11 (version 24H2) - [KB5121003](https://support.microsoft.com/en-us/help/5121003) (OS Build 26100.9445). [⬇️ Microsoft Update Catalog](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5124008).
* Windows 11 (version 23H2) - [KB5122880](https://support.microsoft.com/en-us/help/5122880) (OS Build 22631.7582). [⬇️ Microsoft Update Catalog](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5122880).

 Windows 10

* 2022 Update (version 22H2) - [KB5122878](https://support.microsoft.com/en-us/help/5122878) (OS Build 19045.7725). [⬇️ Microsoft Update Catalog](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5122878).
* November 2021 Update (version 21H2) - [KB5122878](https://support.microsoft.com/en-us/help/5122878) (OS Build 19044.7725). [⬇️ Microsoft Update Catalog](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5122878).
* October 2018 Update (version 1809) - [KB5122876](https://support.microsoft.com/en-us/help/5122876) (OS Build 17763.9245). [⬇️ Microsoft Update Catalog](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5122876).
* Anniversary Update (version 1607) - [KB5123099](https://support.microsoft.com/en-us/help/5123099) (OS Build 14393.9512). [⬇️ Microsoft Update Catalog](https://www.catalog.update.microsoft.com/Search.aspx?q=KB5123099).