A disgruntled researcher released a second zero-day Windows Defender exploit, dubbed RedSun, shortly after Microsoft patched ...

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

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

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

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

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

Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...

A security researcher has released a Windows zero day exploit called BlueHammer following a dispute with Microsoft. The flaw ...

Google's Threat Analysis Group (TAG) has linked an exploit framework that targets now-patched vulnerabilities in the Chrome and Firefox web browsers and the Microsoft Defender security app to a ...

Microsoft has released the final version of security configuration baseline settings for Windows 11, version 22H2, downloadable today using the Microsoft Security Compliance Toolkit. "This release ...

Windows Defender has been available as a built-in antivirus for Windows 10 and earlier for several years now. The antivirus has grown quite popular with Windows users thanks to being lightweight and ...