A critical zero-day vulnerability in Elastic’s EDR driver (elastic-endpoint-driver.sys) allows attackers to bypass detection, execute malware, and trigger a Blue Screen of Death (BSOD). The flaw, a NULL pointer dereference, enables full system compromise through a four-stage attack chain including EDR bypass, remote code execution, persistence, and denial of service. With no patch released yet, all Elastic EDR users remain at risk from this actively exploitable threat.