Microsoft Patches RoguePlanet Defender Flaw That Can Grant SYSTEM Privileges

Microsoft has released security updates for a Defender vulnerability known as RoguePlanet, nearly a month after details of the flaw became public. The vulnerability, tracked as CVE-2026-50656 CVSS score: 7.8, is a privilege escalation issue in the Microsoft Malware Protection Engine "mpengine.dll...

Microsoft Confirms RoguePlanet Defender Zero-Day, Says Patch is in Development

Microsoft has formally disclosed that it's working to release a patch to address a Defender zero-day codenamed RoguePlanet. The vulnerability has now been assigned the CVE identifier CVE-2026-50656 CVSS score: 7.8, with the tech giant describing it as a privilege escalation flaw. "Microsoft is...