Microsoft fixes known issue causing Windows Defender crashes

Microsoft has resolved a bug that caused Windows Defender to crash after a recent security update, resulting in 0xc0000005 ...

Windows bug incorrectly tells users that Microsoft Defender Antivirus is turned off

The glitch, which Microsoft says it working to fix, creates an attacker opportunity by convincing users to ignore critical ...
Hosted on MSN

Microsoft scrambles to fix annoying Defender issue that demands users update their devices

Microsoft Defender for Endpoint falsely flags outdated BIOS on Dell devices due to logic bug Microsoft confirmed the issue and issued a service alert; fix is ready but undeployed Community awaits ...
Research Snipers

Windows Defender: Microsoft screws up update, disables virus scanners

Microsoft actually wanted to close a security gap, but a current update now apparently partially paralyzes Windows Defender.
Windows Latest

Windows 11 is warning “Virus protection is off,” Microsoft confirms it’s false, but verify if Defender is actually enabled

If Windows 11 is sending alerts that you need to turn on virus protection and your PC is unprotected, don't worry.
Help Net Security

Microsoft releases fix for RoguePlanet Defender flaw (CVE-2026-50656)

CVE-2026-50656 is due to improper link resolution before file access, affects Windows 10 and Windows 11, and may allow authenticated attackers to achieve SYSTEM-level privileges on vulnerable machines ...