Microsoft has released Windows 11 KB5083769 and KB5082052 cumulative updates for versions 25H2/24H2 and 23H2 to fix security ...
New Windows privilege escalation vulnerability added to CISA catalog affects Windows 11 and Server 2025 systems.
The BlueHammer, RedSun and UnDefend flaws put all Windows users at risk since they turn the operating system’s antivirus ...
A new exploit has been found, and Microsoft shrugged at it.
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 ...
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.
Microsoft’s April 2026 Patch Tuesday fixes 165 vulnerabilities, including two zero-days, in one of the company’s largest ...
This month's Patch Tuesday includes an actively exploited Office zero-day vulnerability and several critical RCE bugs in ...
A cybersecurity researcher says Recall’s redesigned security model does not stop same-user malware from accessing plaintext ...