Windows 11 KB5121003 & KB5120240 cumulative updates released
Microsoft has released new Windows 11 updates that fix security weaknesses, repair software problems, and add small improvements. People using Windows 11 should install these updates soon to help keep their computers safer and running properly.
Who is at risk
Anyone using a Windows 11 computer, especially if updates have been delayed or turned off, is most at risk.
What to watch for
Watch for update notices on your Windows 11 device and for signs your computer is behind on updates, such as repeated restart reminders or failed update messages.
What to do
Open Windows Update in Settings and install the latest available updates, then restart your computer as soon as possible.