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 ...

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

If Passive Mode is enabled, Microsoft Defender Antivirus scans files without taking action. It finds and reports malware and security threats to your security console, but it does not quarantine files ...

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

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

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

The US Cybersecurity and Infrastructure Security Agency has ordered federal agencies to patch the actively exploited 'BlueHammer' Microsoft Defender flaw by May 6, while Microsoft’s April Windows 11 ...

Huntress recently announced a collaboration with Microsoft to empower businesses of all sizes to combat modern threats while maximizing their Huntress and Microsoft security investments. More than 300 ...

‘This ecosystem is mature, professional enough to let you put the customer first,’ Microsoft CVP David Weston says. Upcoming limited access to a Windows endpoint security platform for third-party ...