CVE-2026-32202 actively exploited after April 27 advisory fix, exposing NTLMv2 hashes via zero-click SMB authentication.

Three proof-of-concept exploits are being used in active attacks against Microsoft's built-in security platform; two are ...

A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...

Three Defender zero-days exploited since April 10, 2026, enabling privilege escalation and DoS, forcing isolation of affected ...

Windows includes built-in exploit protection that limits the damage hackers can do even when software vulnerabilities exist. The tool offers system-wide and app-specific settings, though enabling ...

RedSun exploit targets Microsoft Defender zero-day, granting SYSTEM access on fully patched Windows systems with no patch ...

A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit them. Now, hackers are taking advantage of the vulnerabilities in real life ...

The now presented proof-of-concept exploit with the title “RedSun” allows attackers to gain extensive system privileges under ...

Support for Windows 10 has ended, putting your system at risk. You don't have to upgrade—here's how to stay protected.

Forbes contributors publish independent expert analyses and insights. Davey Winder is a veteran cybersecurity writer, hacker and analyst. I first warned Forbes readers of the threat from something ...

Windows 11 security is now complete, with Defender replacing third-party antivirus through built-in real-time and behavioral ...