A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...
Three Defender zero-days exploited since April 10, 2026, enabling privilege escalation and DoS, forcing isolation of affected ...
Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...
RedSun exploit targets Microsoft Defender zero-day, granting SYSTEM access on fully patched Windows systems with no patch ...
A security vulnerability was recently discovered in Microsoft Defender, the first-party Windows 11 antivirus tool used by ...
Chaotic Eclipse is at it again, this time releasing a zero-day for Microsoft Defender.
A security researcher frustrated with Microsoft has released the BlueHammer Windows zero-day exploit, telling the company, “I ...
New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling ...
Microsoft this week released one of the largest Patch Tuesday bundles in its history, delivering fixes for 163 new Microsoft CVEs in a month that includes three zero-days and eight Critical-rated ...
The Microsoft Defender Security Research Team has confirmed that a pervasive new authentication code attack is compromising ...
Windows Security (formerly Windows Defender) is the built-in antivirus tool bundled with the operating system. It has saved ...
A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit ...
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