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

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

Microsoft's August 2026 Patch Tuesday security update addresses 42 critical vulnerabilities across Windows, Office, and Exchange Server.

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

Microsoft Defender zero-day vulnerability ShieldBreak can reportedly grant attackers SYSTEM privileges on fully patched Windows systems. Security researcher Nightmare Eclipse disclosed ShieldBreak as ...

A researcher released ShieldBreak, an unverified Windows Defender zero-day that allegedly grants attackers SYSTEM-level privileges on fully patched systems. Nightmare Eclipse says ShieldBreak bypasses ...

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

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

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

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

Fake The Odyssey downloads are already spreading Lumma Stealer malware, putting passwords, browser sessions and crypto ...

Hotel Wi-Fi malware campaign CaptiveCrunch, attributed to Russia’s SVR-linked Midnight Blizzard, compromised hotel captive ...