According to Microsoft, a zero-day flaw is one that has been publicly disclosed or actively exploited while no official fix ...

You shouldn’t delay those Windows updates anymore. It patches one flaw hackers are already taking advantage of and two others they know about.

Other increases are substantial. The cost of the Microsoft 365 versions aimed at frontline workers, F1 and F3, will rise ...

Microsoft fixed 56 Windows security flaws, including an actively exploited privilege-escalation bug and two new command-injection zero-days.

Microsoft has concluded its 2025 security updates with a critical Patch Tuesday release, addressing a total of 56 ...

In a nod to the evolving threat landscape that comes with cloud computing and AI and the growing supply chain threats, Microsoft is broadening its bug bounty program to reward researchers who uncover ...

The actively exploited zero-day bug — and the one therefore that needs high-priority attention — is CVE-2025-62221, which ...

Microsoft fixed over 50 security vulnerabilities with December's big Patch Tuesday. One of them is already being actively ...

KB5072033 addresses vulnerabilities across Windows systems and Office applications—including one actively exploited zero-day.

Microsoft today pushed updates to fix at least 56 security flaws in its Windows operating systems and supported software. This final Patch Tuesday of 2025 tackles one zero-day bug that is already ...

The flaw, tracked as CVE-2025-9491, allowed cybercriminals to hide malicious commands from users inspecting files through ...