Microsoft Confirms RoguePlanet Zero-Day in Windows Defender
Microsoft has officially confirmed a critical zero-day local privilege escalation (LPE) vulnerability in the Microsoft Malware Protection Engine, designated as CVE-2026-50656. Codenamed “RoguePlanet,” the flaw allows a local attacker to execute a timing-based race condition exploit. If successful, this exploit bypasses active security controls to escalate user privileges to NT AUTHORITY\SYSTEM. The underlying Proof-of-Concept (PoC)…