Nightmare Eclipse has released a new Microsoft Defender zero-day exploit named "ShieldBreak" after Microsoft released the August 2026 Patch Tuesday security updates.

ShieldBreak is a claimed patch bypass for Defender flaw CVE-2026-50656, with a PoC tested on Windows 11 25H2 and Server 2025.

The 'ShieldBreak' flaw can let an attacker use Windows Defender to escalate their privileges on the OS. Microsoft previously ...

Nightmare Eclipse has dropped ShieldBreak, a Windows zero-day exploit that allows any user to gain System privileges.

This is the latest zero-day released by security researcher Nightmare Eclipse, despite Microsoft publicly threatening to take legal action against them.

A newly disclosed Microsoft Defender vulnerability, dubbed SheildBreak, could allow attackers to gain full system access. The ...

CISA confirmed today that ransomware gangs have begun abusing a high-severity Microsoft SharePoint remote code execution ...

A new Microsoft Defender zero-day called ShieldBreak can reportedly grant SYSTEM privileges on fully patched Windows 11 systems.

Russian hackers are exploiting hotel Wi-Fi networks at various locations that attract corporate travelers to compromise ...

First Akira Safe Mode attack disables endpoint detection and response but fails to encrypt, Huntress says - SiliconANGLE ...

Microsoft has patched 421 CVEs on August 2026 Patch Tuesday, including an elevation of privilege flaw exploited as a zero-day.

Tottenham reportedly remain in pursuit of Folarin Balogun as Cristian Romero and Djed Spence both likely exit, while Barcelona have made an improved offer for Rodri as City aim to complete the signing ...