Vexed researcher Nightmare-Eclipse (aka Chaotic Eclipse, Dead Eclipse, and MSNightmare) released his ninth unpatched Windows vulnerability called LegacyHive. This latest bug drop is a Local Privilege Escalation (LPE) vulnerability affecting Windows User Profile, a component responsible for loading and unloading Windows user profiles. When exploited, LegacyHive can enable attackers to load other users’ hives and gain access to application data and Windows Explorer history, among others.