Three proof-of-concept exploits are being used in active attacks against Microsoft's built-in security platform; two are ...

The now presented proof-of-concept exploit with the title “RedSun” allows attackers to gain extensive system privileges under ...

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

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

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 ...

PCWorld reports that new AI-powered malware like DeepLoad threatens Windows 11 security by using fileless attacks that bypass traditional antivirus software. This fileless malware tricks users into ...

The Huntress SOC is observing the use of Nightmare-Eclipse's BlueHammer, RedSun, and UnDefend exploitation techniques. Investigation by: @wbmmfq, @Curity4201, + @_JohnHammond 🧵👇 ...

Microsoft has released the KB5083631 optional cumulative update for Windows 11, which includes 34 changes, such as a new Xbox ...

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit them. Now, hackers are taking advantage of the vulnerabilities in real life ...

Windows 11 security is now complete, with Defender replacing third-party antivirus through built-in real-time and behavioral protection.

The April 2026 KB5083769 security update breaks third-party backup applications from multiple vendors on systems running ...

Microsoft's April 2026 Windows 11 updates introduce sweeping changes to Windows Update, allowing indefinite pause of updates, monthly restart consolidation, and clearer driver labels. The rollout also ...