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

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

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

BitLocker has a previously unknown zero-day exploit that lets attackers gain full filesystem access. An attacker with physical access can use a USB and WinRE to bypass recovery and open a system ...

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 ...

This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. Microsoft confirms Exchange zero-day, CISA warns it's under active exploitation. Updated May ...

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 ...