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#CVE-2026-50656

3 stories taggedCVE-2026-50656.

Full-frame photoreal editorial image of a close-up Windows laptop screen showing a generic blue security shield icon glowing, with faint reflection on a dark de
Vulnerabilities

Microsoft Patches 'RoguePlanet' Defender Flaw a Month After Public Disclosure

The privilege escalation bug in the Malware Protection Engine sat exposed for weeks before Redmond shipped a fix.

3 min
Full-frame close-up of a modern laptop screen glowing blue in a dim office, showing an abstract Windows security shield icon partly fractured, dust motes catchi
Vulnerabilities

Microsoft patches 'RoguePlanet' Defender flaw after researcher publishes exploit in disclosure spat

The zero-day let attackers hand themselves the keys to a fully patched Windows machine. It was revealed by a researcher publicly feuding with Microsoft.

4 min
Vulnerabilities

Microsoft Acknowledges 'RoguePlanet' Defender Zero-Day, Patch Still in the Works

CVE-2026-50656 is a privilege escalation bug in the Malware Protection Engine — the component sitting at the heart of every Defender install.

2 min
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