A security vulnerability was recently discovered in Microsoft Defender, the first-party Windows 11 antivirus tool used by ...
A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...
The exploit uses an insecure behavior of Windows Defender and a file API to secure system rights. It is still unpatched.
Microsoft updates Defender in Windows install media to block threats during setup and close early security gaps.