Windows 10 KB5122878 is out with the September 2026 Patch Tuesday update, bringing security improvements and important fixes.

Microsoft’s consumer ESU program includes a no-cost enrollment option for eligible Windows 10 PCs, but managed devices and some account setups are excluded. Millions of Windows 10 PCs now have a ...

German]The Microsoft security updates released on September 8, 2026, cause RDP connections to stop working after the patches ...

Microsoft has released the Windows 10 KB5099539 extended security update, which includes this month's record-breaking July 2026 Patch Tuesday fixes, along with additional security improvements.