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

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft ...

A zero-day BlueHammer exploit was recently published on GitHub in response to alleged MSRC failures, and although Microsoft ...

Three Defender zero-days exploited since April 10, 2026, enabling privilege escalation and DoS, forcing isolation of affected ...

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

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit ...

RedSun exploit targets Microsoft Defender zero-day, granting SYSTEM access on fully patched Windows systems with no patch ...

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.

A security researcher has published a working exploit for a Microsoft Defender security flaw that affects Windows 10, 11, and ...

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 security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I'm not explaining how this works.” ...