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

Microsoft has released the latest extended security update for Windows 10 in the form of the KB5122878 update.

Microsoft has suddenly issued a just-in-time update for Windows 10 users hit by an awkward failure that has stopped “essential security updates” installing on their PCs. There was no warning this ...

Last year’s end-of-support deadline for Windows 10 was a big test for consumers and IT pros alike. Congratulations — everyone passed! Before you start celebrating, though, pay attention to another ...

Microsoft has released the Windows 10 KB5122878 extended security update, which includes this month's record-breaking 2026 ...