A zero-day exploit circulating online allows people with physical access to a Windows 11 system to bypass default BitLocker protections and gain complete access to an encrypted drive within seconds.

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.

Exploit code has been released for an unpatched Windows privilege escalation flaw reported privately to Microsoft, allowing attackers to gain SYSTEM or elevated administrator permissions. Dubbed ...

PCWorld reports on the ‘BlueHammer’ zero-day vulnerability that allows attackers to potentially take over Windows computers through privilege escalation. A frustrated security researcher published the ...

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 ...

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

PCWorld reports on the ‘RedSun’ vulnerability in Microsoft Defender affecting Windows 10, 11, and Server systems that allows attackers to gain administrative privileges. Security researcher Chaotic ...

A new version of the Coyote banking trojan is targeting Windows users in Brazil, and it uses an insidiously novel technique. Security researchers at Akamai report that this malware takes advantage of ...

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 ...