A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...

A researcher released a working ‘BlueHammer’ Windows zero-day exploit that could impact over 1 billion devices, granting ...

Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing ...

Chaotic Eclipse' released a PoC exploit for a zero-day flaw that allows for system takeover by a local user, citing an ...

Windows has a zero-day vulnerability that allows attackers to escalate their privileges. A patch is not yet available.

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 ...

A security researcher reported a vulnerability to Microsoft. But when the company didn't respond quickly enough, he went public with real exploit code.

AI-powered fileless malware is changing what it means to keep a Windows 11 PC secure. Here's what's happening and what to do.

Windows 11’s first big update of 2026 was supposed to harden security and smooth out rough edges. Instead, it has left some users staring at blank desktops, stalled shutdown screens, and boot loops ...

Windows 11 KB5086672 is now rolling out as an optional update with several notable improvements after March 2026 update ...