Microsoft releases fix for RoguePlanet Defender flaw (CVE-2026-50656)

Microsoft has finally released a security update for its Microsoft Malware Protection Engine, which fixes CVE-2026-50656, the Windows Defender local privilege escalation vulnerability triggered by the RoguePlanet exploit. The vulnerability and the fix CVE-2026-50656 is due to improper link resolution before file access, affects Windows 10 and Windows 11, and may allow authenticated attackers to achieve SYSTEM-level privileges on vulnerable machines by launching low-complexity attacks.