Although the team with Microsoft moved swiftly to patch the BlueHammer vulnerability, other exploits still threaten Microsoft ...

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

Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...

Microsoft wants Windows 11 owners to stop worrying about buying antivirus software. In statements reported by PCMag and ...

Threat actors have been exploiting the BlueHammer Microsoft Defender vulnerability as a zero-day to gain System privileges.

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

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

A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...

To address this, Microsoft has invested significant effort into Microsoft Defender (formerly Windows Defender), the antivirus ...

New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling ...

Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...

The Microsoft Defender Security Research Team has confirmed that a pervasive new authentication code attack is compromising hundreds of organizations daily.