By Zak Doffman
Publication Date: 2025-12-10 06:10:00
500 million Windows users must act now
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Microsoft has a “security disaster” on its hands — the scale of which we have not seen before, with hundreds of millions of unsupported PCs. It has forced the Windows-maker to reverse decisions and change its approach to securing PCs around the world.
But it’s not automatic — you need to act now.
We’re talking Windows 10 and what could be a billion users who have not yet upgraded to Windows 11. More critically, we’re told that 500 million users do not have PCs eligible for a Windows 11 upgrade, meaning they’re stuck on the end-of-life OS.
Microsoft has just released its final Patch Tuesday for 2025. 56 vulnerabilities fixed, of which three are classed as zero-days and one is under attack. If you’re running an up-to-date Windows 11 install, the update should download and install automatically. You can delay this but you…
