Microsoft is urging Windows users to immediately install an update after security researchers found a serious vulnerability in the operating system. The security flaw, known as PrintNightmare, affects ...

Now Microsoft has confirmed three zero-day Windows security bypass vulnerabilities, users are warned to get their update groove on ASAP.

Windows users warned as ongoing attacks exploit CVE-2025-9491 — and there's currently no fix available from Microsoft. Updated November 2 with a statement from Microsoft regarding the newly reported ...

Q: Are Windows Defender warnings that pop up with a phone number legit? A: Microsoft’s built-in security tool has improved over the years, and it still blocks plenty of everyday threats. But the ...