Windows Defender keeps re-enabling itself on Windows 11

If Windows Defender real-time protection keeps turning on in Windows 11, turn off Tamper Protection, add the app or folder to ...

Microsoft Defender 'RoguePlanet' zero-day grants SYSTEM privileges

A security researcher has released a new Microsoft Defender zero-day exploit named "RoguePlanet" just hours after Microsoft ...
Bleeping Computer

Microsoft warns of new Defender zero-days exploited in attacks

Update May 25, 04:19 EDT: CVE-2026-41091 is a Microsoft Defender local privilege escalation (LPE) flaw known as RedSun, and CVE-2026-45498 is known as UnDefend, a security flaw that can be exploited ...
Neowin

Microsoft releases new Defender update for Windows 11, 10, Server ISO installations0 0

Microsoft releases new Windows Defender update packages very frequently to protect against various newly discovered malware. Once a while every three months or so, the company also pushes out these ...