Cyber Products Microsoft Malware Protection Engine (mpengine.dll) June 25, 2026 ♡Follow0 Core scanning engine for Microsoft Defender and other antimalware products, affected by the RoguePlanet vulnerability. Discovered from: Microsoft Patches RoguePlanet Defender Privilege Escalation Flaw (CVE-2026-50656) antivirusMicrosoft DefenderMicrosoft Malware Protection Enginempengine.dll