
VEN0m open-source ransomware demonstrated full attack chain execution on fully patched Windows 11 with Defender and multiple EDRs by abusing BYOVD via vulnerable IObit driver (CVE-2025-26125), enabling kernel-level defense bypass, persistence, and AES-256 file encryption with zero alerts. https://www.nexsys.it/ven0m-ransomware-punto-debole-defender/
Post summary
The post reports a PoC demonstration of VEN0m ransomware exploiting CVE‑2025‑26125 on patched Windows 11, showing kernel‑level defense bypass, persistence, and stealthy AES‑256 encryption.
