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Microsoft has released the August 2026 Patch Tuesday cumulative updates for Windows 10 under KB5120249.
Aug 11, 2026 13:15 EDT
It's the second Tuesday of the month, which means it's Patch Tuesday time again. As such, today, Microsoft is rolling out the monthly security update (also called "B release") for August 2026 on Windows 10 under the Extended Security Updates (ESU) program.
The new updates are being distributed under KB5120249, bumping up the builds to and . You can find standalone links to download the new update on the Microsoft Update Catalog at this link.
