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 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 The Hacker News