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Microsoft Defender

Vulnerabilities Defender Vulnerabilities Malware Protection Engine Bug Fixes Malware Protection Local Privilege Escalation

Microsoft Defender Update Causes Persistent False 'Antivirus Is Turned Off' Alerts

Widespread misleading notifications are prompting user confusion and extra IT work as Microsoft prepares a Defender update with no release date.

Microsoft Patches RoguePlanet Elevation‑of‑Privilege Flaw in Defender

Microsoft Issues Emergency Patches for Two Actively Exploited Defender Zero‑Days

Microsoft Defender Zero-Days Are Being Exploited as Two Remain Unpatched

GuidePoint Exposes Akira Ransomware’s Dual-Driver Attack on SonicWall SSLVPNs