LegacyHive: The Windows User Profile Service Bug That Loads Another User’s Registry Hive
Original text: "LegacyHive — Windows user profile service arbitrary hive load elevation of privileges vulnerability" — Nightmare-Eclipse (GitHub handle MSNightmare), Project NightCrawler, July 14 2026. The proof-of-concept is published under the MIT License; all code below is reproduced verbatim with attribution.
Executive Summary
On 14 July 2026 — hours after Microsoft’s July Patch Tuesday —…
https://core-jmp.org/2026/07/legacyhive-windows-user-profile-service-hive-load-eop/
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