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

Microsoft has released the Windows 10 KB5122878 extended security update, which includes this month's record-breaking 2026 Patch Tuesday fixes, along with a few bug fixes.

ESU coverage for Windows 10 is being extended through October 2027.

Microsoft has a new Defender anti-virus update for Windows 11 and 10 images. The new update patches several flaws. Following the one for Lumma last month, Microsoft has also published a new Defender ...

A bit later than usual, Microsoft released a new cumulative update for Windows Insiders on the Slow ring, with the latest ...

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 ...

Windows 10 ESU keeps eligible PCs patched after support ends. Learn the 2026 cost, eligibility rules, coverage, deadlines, ...

Microsoft warned customers on Tuesday that they may have issues installing the latest monthly updates on some Windows devices that were upgraded to Windows 11 24H2 or 25H2. On affected systems, users ...

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