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NightmareEclipse strikes again at Windows 11 exploit with ShieldBreak proof of concept

This is a zero-day bug being exploited so Microsoft has not patched the issue yet. Admins need to be on the lookout for a fix from Microsoft and apply it ASAP.

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NightmareEclipse strikes again at Windows 11 exploit with ShieldBreak proof of concept

This is a zero-day bug being exploited so Microsoft has not patched the issue yet. Admins need to be on the lookout for a fix from Microsoft and apply it ASAP.

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Timeline cronologica

mercoledì 12 agosto 2026·computerworld.com
Researcher bypasses Microsoft Defender patch, seizing control
The PoC posted by Nightmare Eclipse, who has been feuding with Microsoft for months, enables an attacker with any level of access to gain system-level privileges.
mercoledì 12 agosto 2026·computerworld.com
Researcher creates workaround for Microsoft Defender security patch
The PoC posted by Nightmare Eclipse, who has been feuding with Microsoft for months, grants an attacker system-level privileges once they gain any access.

NightmareEclipse strikes again at Windows 11 exploit with ShieldBreak proof of concept

Confronto fonti

NightmareEclipse strikes again at Windows 11 exploit with ShieldBreak proof of concept

Timeline cronologica

Researcher bypasses Microsoft Defender patch, seizing control

Researcher creates workaround for Microsoft Defender security patch

Nightmare Eclipse Drops Windows Zero-Day Exploit 'ShieldBreak'

Microsoft's nemesis drops new zero-day privilege escalation vulnerability — attack grants system-level…

New Microsoft Defender 'ShieldBreak' zero-day grants SYSTEM privileges

Disgruntled security researcher just dropped another Windows zero-day, right on schedule

Microsoft-vendetta hacker has a new zero day that gives system privileges on fully patched Windows

ShieldBreak Zero-Day PoC Claims Microsoft Defender Patch Bypass With SYSTEM Access

New Microsoft Defender 'ShieldBreak' zero-day grants SYSTEM privileges

Windows 11, Windows 10, Windows Server affected by in-the-wild exploit, here's what to do

After Microsoft threatened legal action, a security researcher publishes a new Windows zero-day bug | TechCrunch

Microsoft-vendetta hacker has a new zero day that gives system privileges on fully patched Windows

Nightmare Eclipse Drops Windows Zero-Day Exploit 'ShieldBreak'

New Windows vulnerability gives hackers system-wide access to user's device

NightmareEclipse strikes again at Windows 11 exploit with ShieldBreak proof of concept

Microsoft's nemesis drops new zero-day privilege escalation vulnerability — attack grants system-level privileges, but it could already be…

Disgruntled security researcher just dropped another Windows zero-day, right on schedule