Angry Hacker Drops Microsoft Zero-Day Exploit, 1 Billion Users Warned

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

Microsoft Defender Flaws Exploited on Windows, Two Left Unpatched

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

Windows 11 Hacked — Three New Pwn2Own Zero-Days Deployed

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 ...

New Microsoft Defender “RedSun” zero-day PoC grants SYSTEM privileges

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

From the BlueHammer author: New Windows zero-day grants admin rights

The exploit uses an insecure behavior of Windows Defender and a file API to secure system rights. It is still unpatched.

Microsoft's Security Response Center is being blamed for the zero-day BlueHammer exploit leak

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

'BlueHammer' Windows Zero-Day Exploit Signals Microsoft Bug Disclosure Issues

The leak online of exploit code for an apparent Windows zero-day flaw dubbed "BlueHammer" could be the sign of a larger issue that security researchers face when collaborating with Microsoft on ...

Windows 11 cumulative updates KB5083769 & KB5082052 released

Microsoft has released Windows 11 KB5083769 and KB5082052 cumulative updates for versions 25H2/24H2 and 23H2 to fix security ...
来自MSN

Microsoft overhauls Windows 11 updates as security fixes loom

Microsoft is introducing major Windows 11 update policy changes, giving users more control over when and how updates install, including indefinite pause options and clearer update details. The shift ...