# Microsoft nemesis returns with another zero-day PoC — but is 'LegacyHive' as nasty as expected?

> Researcher “Chaotic Eclipse” releases new Windows 11 zero‑day dubbedLegacyHive, a local privilege escalation bug targeting user registry hivesExploit could let attackers elevate low‑privileged accounts, but requires…

- **Source:** [TechRadar](https://www.techradar.com/pro/security/microsoft-nemesis-returns-with-another-zero-day-poc-but-is-legacyhive-as-nasty-as-expected?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a591eb86aa54428f0f31f68)
- **Published:** 2026-07-16
- **Category:** Computers & IT
- **Tags:** #microsoft #windows
- **Canonical:** http://localhost:4321/a/6a591eb86aa54428f0f31f68

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_GearOpen's distilled summary. The full original article is published at TechRadar (source link above); GearOpen does not republish the source's full text._