A researcher known as "Chaotic Eclipse" has published a proof-of-concept exploit for a second Microsoft Defender zero-day, ...
RedSun exploit targets Microsoft Defender zero-day, granting SYSTEM access on fully patched Windows systems with no patch ...
A security researcher has published a working exploit for a Microsoft Defender security flaw that affects Windows 10, 11, and ...
A security researcher published details of three security vulnerabilities in Windows Defender, and the code used to exploit ...
Threat actors are exploiting three recently disclosed Windows security vulnerabilities in attacks aimed at gaining SYSTEM or ...
The Huntress SOC is observing the use of Nightmare-Eclipse's BlueHammer, RedSun, and UnDefend exploitation techniques. Investigation by: @wbmmfq, @Curity4201, + @_JohnHammond 🧵👇 ...
New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling ...
The exploit uses an insecure behavior of Windows Defender and a file API to secure system rights. It is still unpatched.
A security researcher known as Chaotic Eclipse recently disclosed a vulnerability dubbed "Red Sun" affecting Microsoft ...
2don MSN
Over 1 billion Windows users at risk after disgruntled security research leaks Defender zero-days
The BlueHammer, RedSun and UnDefend flaws put all Windows users at risk since they turn the operating system’s antivirus ...
A disgruntled researcher released a second zero-day Windows Defender exploit, dubbed RedSun, shortly after Microsoft patched ...
Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...
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