Threat actors are using three publicly available proof-of-concept exploits to attack Microsoft Defender and turn the security platform's primary cleanup and protection functions against organizations ...
New PoC shows how Microsoft Defender can be tricked into rewriting malicious files into protected locations, enabling SYSTEM-level privilege escalation on fully patched Windows systems. Days after ...
The long-running feud between Microsoft and security researcher Nightmare Eclipse has entered a new chapter. Eclipse, who has spent the past several months publicly releasing unpatched Windows ...
Microsoft pushed out-of-band patches on May 21, 2026, for two actively exploited Windows Defender zero-days — one that lets a low-privileged attacker seize full SYSTEM-level control of any Windows ...
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