MiniPlasma Windows 0-Day Enables SYSTEM Privilege Escalation on Fully Patched Systems
Today’s signal The Hacker News recently reported MiniPlasma Windows 0-Day Enables SYSTEM Privilege Escalation on Fully Patched Systems. Published context: May 18, 2026. Chaotic Eclipse, the security researcher behind the recently disclosed Windows flaws, YellowKey and GreenPlasma, has released a proof-of-concept (PoC) for a Windows privilege escalation zero-day flaw that grants attackers SYSTEM privileges on fully patched Windows systems. Codenamed MiniPlasma, the vulnerability impacts “cldflt.sys,” which refers to the Wind ...