John Z Black

A Disgruntled Researcher Just Handed Every Attacker a Free Windows Privilege Escalation Exploit

John Z Black Apr 7, 2026

Vulnerabilities & Patching #windows #zero-day #privilege-escalation #bluehammer #exploit #microsoft #msrc

A frustrated researcher publicly released BlueHammer, a working Windows privilege escalation zero-day, after clashing with Microsoft's disclosure process.

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