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

Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...

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

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

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

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

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

This month's Patch Tuesday includes an actively exploited Office zero-day vulnerability and several critical RCE bugs in ...

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 ...

Microsoft fixes 169 vulnerabilities including exploited SharePoint CVE-2026-32201, prompting CISA remediation by April 28, ...

Microsoft fixes 167 bugs in April Patch Tuesday, including critical and zero-day vulnerabilities affecting Windows and Office ...