VMXNET3

A public proof-of-concept has been released for CVE-2026-59346, a critical integer overflow in VMware's VMXNET3 network driver. The flaw affects the host-side vmware-vmx process, allowing guest-controlled input to corrupt host memory and potentially enabling a guest-to-host escape. Security professionals are warning that publicly available exploit code sharply raises the risk of real-world attacks against VMware deployments.