Topic

Windows 11 25H2 Security

1 story tagged Windows 11 25H2 Security, newest first.

A shield cracks from within as a black key penetrates nested barriers, symbolizing the ShieldBreak Windows flaw.

Aug 12, 2026, 3:18 PMCybersecurity

Microsoft Windows Zero-Day ShieldBreak Enables Full Device Takeover

Microsoft faces ShieldBreak, a Windows zero-day exposing Windows 10, Windows 11 and Server 2025 to full device takeover, with no patch available from Microsoft.

TechCrunch