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Nightmare-Eclipse/MiniPlasma: CVE-2020-17103 was apparently not patched or the patch was reversed, regardless this the PoC for an LPE in cldflt.sys (opens in new tab)

Covered by 13 sources including buttondown.com, SecurityWeekDiscussed on Hacker News

Covered in 13 articles

the grugq's newsletter via buttondown.com·

May 17, 2026

Researcher Drops MiniPlasma Windows Exploit for Unpatched 2020 CVE

thehackernews.com·

MiniPlasma Windows 0-Day Enables SYSTEM Privilege Escalation on Fully Patched Systems

csoonline.com·

‘Patched’ Windows bug resurfaces 6 years later as working SYSTEM-level exploit

Microsoft Confirms Active 0-Day Exploit—Check Emergency Mitigation Now

news.risky.biz·

Risky Bulletin: Indonesia emerges as a new hub for cyber scams

In other languages

Windows-Sicherheitslücken: BitLocker-Problem und Rechteausweitung

Forscher eskaliert: Gefährlicher Zero-Day-Exploit für Windows geleakt

Microsoft hat alte Windows-Schwachstelle wohl nie geschlossen

Nova falha dia zero no Windows chamada MiniPlasma

Borns IT- und Windows-Blog·

Nightmare Eclipse veröffentlicht MiniPlasma-Schwachstelle CVE-2020-17103

Les news de Korben·

MiniPlasma - La faille Windows que Microsoft croyait corrigée

Уязвимость нулевого дня Windows открыла доступ к SYSTEM