A week ago, the security researcher who goes by “Nightmare Eclipse” published information about RoguePlanet, a zero-day ...

A new Windows zero-day reportedly bypasses BitLocker, adding pressure on Microsoft as researchers debate the exploit’s real-world impact.

Microsoft has confirmed CVE-2026-50656, the RoguePlanet Defender zero-day that can grant SYSTEM privileges on Windows 10 and ...

Threat actors are using three publicly available proof-of-concept exploits to attack Microsoft Defender and turn the security platform's primary cleanup and protection functions against organizations ...

A new Microsoft Defender zero-day called RoguePlanet reportedly grants SYSTEM privileges on fully patched Windows 10 and Windows 11 devices.

Microsoft has confirmed an emergency security update as CISA warns that two new Defender zero-days are being exploited by attackers.

Chaotic Eclipse strikes again, releasing their seventh zero-day in just two months.

Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft Defender and Windows users. No less than ...

Hackers have broken into at least one organization using Windows vulnerabilities published online by a disgruntled security researcher over the last two weeks, according to a cybersecurity firm. On ...

A researcher known as "Nightmare Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, dubbed "RedSun," in the past two weeks, protesting how the company works ...