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 ...

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

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

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.

A new version of the Coyote banking trojan is targeting Windows users in Brazil, and it uses an insidiously novel technique. Security researchers at Akamai report that this malware takes advantage of ...

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 has proven quite divisive, not least due to its allegedly poor performance. Here are some major culprits and ways ...

Microsoft has released out-of-band (OOB) security updates to patch a critical-severity Windows Server Update Service (WSUS) vulnerability with publicly available proof-of-concept exploit code. WSUS is ...