A new Microsoft Defender zero-day called RoguePlanet reportedly grants SYSTEM privileges on fully patched Windows 10 and Windows 11 devices.

The newly disclosed Windows Defender flaw, tracked as CVE-2026-50656, could let attackers escalate privileges on fully ...

BitLocker has a previously unknown zero-day exploit that lets attackers gain full filesystem access. An attacker with physical access can use a USB and WinRE to bypass recovery and open a system ...

PCWorld reports on the ‘BlueHammer’ zero-day vulnerability that allows attackers to potentially take over Windows computers through privilege escalation. A frustrated security researcher published the ...

Windows 11 hacked three times on day one of PWN2OWN. Update, May 17, 2025: This story, originally published May 16, has been updated with news of another successful Windows 11 hack at the Pwn2Own ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft confirms Exchange zero-day, CISA warns it's under active exploitation. Updated May ...

Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing attackers to gain SYSTEM or elevated administrator permissions. Dubbed ...

A security researcher with an apparent grudge against Microsoft has in recent days disclosed two more Windows zero-days and released a proof-of-concept exploit against a third vulnerability that ...

Threat actors are using three publicly available proof-of-concept exploits to attack Microsoft Defender and turn the security platform's primary cleanup and protection functions against organizations ...

Windows is far better today at protecting your security out of the box compared to how it once was, but Windows Security and associated tools still aren’t perfect. You need to look out for threats ...