A patch Microsoft released on Wednesday to fix a zero-day vulnerability in its Defender security engine may cause Windows ...

Do you still need third-party antivirus on your Windows PC?

Microsoft Defender RoguePlanet vulnerability has been patched after a zero-day flaw was disclosed following the June 2026 ...

The newly disclosed Windows Defender flaw, tracked as CVE-2026-50656, could let attackers escalate privileges on fully ...

Microsoft has patched RoguePlanet—a Defender zero-day vulnerability that lets hackers gain full access to your PC—via Windows ...

Windows Defender "BlueHammer" vulnerability now exploited as part of malware campaigns — event demonstrates lack of security ...

Microsoft Defender offers great protection from malware -- but there are other online threats you might want to consider, too.

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In a proof-of-concept, a security researcher demonstrated how the Windows Security Center API can be used to block the scans by Microsoft’s built-in antivirus tool. Windows Defender can be tricked ...

Compare the best free antivirus tools for Windows 10 in 2026, including real-time malware protection, phishing defense, ransomware protection, VPN limits, ...

To disable Microsoft Defender on Windows 11, go to Settings > Privacy & Security > Windows Security > Virus & Threat Protection, click Manage Settings, and toggle off ...

Best Antivirus Best Antivirus Software for Windows PCs in 2026 Discover the highest ranked antivirus programs for Windows 10 and 11. See whether you need to save or splurge to protect your device, ...