Home / Blog / Microsoft releases Windows 10 KB5122878 extended security…
Tech News

Microsoft releases Windows 10 KB5122878 extended security update

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

By Dillip Chowdary • Sep 30, 2026 • Source: BleepingComputer

Microsoft releases Windows 10 KB5122878 extended security update

What Microsoft Windows 10 KB5122878 extended shipped

Microsoft releases Windows 10 KB5122878 extended security update
Illustration · Pexels

Advertisement

Tech Pulse Daily

Get tomorrow's pulse first

Join engineers who read Tech Pulse before stand-up. Free, weekday mornings.

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

How to install or upgrade Microsoft Windows 10 KB5122878 extended

For primary quotes and complete technical detail, see BleepingComputer's original report linked above.

Dillip Chowdary

Author

Dillip Chowdary

Writes Tech Bytes coverage of AI, engineering, and the tools that actually ship. Editor of Tech Pulse Daily.

Related on Tech Bytes

Advertisement

5-min tech signal

Weekday briefing for engineers who skip the noise.

No spam · Unsubscribe anytime

Advertisement

✈️ CareerPilot

Your AI job-search copilot

Match your resume against live Ashby, Greenhouse & Lever openings — fit scores, job-specific resume optimization and email alerts.

Find matching jobs →

Free Tools

Browse all tools →