HomeCVE Intelligence › CVE-2026-50656
CVSS 8.0 HIGH 🔴 ACTIVELY EXPLOITED Zero-Day Exploit

CVE-2026-50656: 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), wi…

8.0CVSS Score
HIGHSeverity
NOCISA KEV
Zero-Day ExploitImpact Type

📋 Vulnerability Details

CVE IDCVE-2026-50656
VendorThe Hacker News
Affected ProductThreat Intelligence
Vulnerability TypeZero-Day Exploit
CVSS Score8.0 (HIGH)
Actively Exploited✅ Yes
Patch StatusSee Vendor Advisory →
Reported ByCYBERDUDEBIVASH SENTINEL APEX Intelligence (via thehackernews)

🔬 Technical Analysis

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

📚 Advisory References

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