Cybercriminals abuse trusted Intel driver to gain kernel access and shut down Windows Defender, enabling undetected malware deployment since July 2025.

That said, there are a few security features that, although they address specific flaws, may themselves pose security risks.

A design flaw in Windows Smart App Control and SmartScreen that enables attackers to launch programs without triggering security warnings has been under exploitation since at least 2018. Smart App ...

Microsoft today released updates to fix at least 137 security vulnerabilities in its Windows operating systems and supported software. None of the weaknesses addressed this month are known to be ...

A Microsoft Defender SmartScreen vulnerability patched in November has found fresh active exploitation in a Phemedrone information-stealing malware campaign, according to cybersecurity research and ...