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Jun 17, 2026 5:36 PM
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 aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender
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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 aware of an elevation of privilege in the Microsoft Malware Protection Engine in Microsoft Defender