Mmastodon TechnologyCybersecurity first seen 18 h ago, last 18 h ago, peak #1
Public proof-of-concept released for critical VMware VMXNET3 flaw
Original: 🚨 Public PoC released for CVE-2026-59346, a critical VMware VMXNET3 integer overflow. The vulnerability affects the host
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.
Why now: A publicly available proof-of-concept for a critical guest-to-host escape vulnerability makes immediate patching urgent.
VMwareCVE-2026-59346VMXNET3vmware-vmx
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Evidence
- 🚨 Public PoC released for CVE-2026-59346, a critical VMware VMXNET3 integer overflow. The vulnerability affects the host-side `vmware-vmx` process and can turn guest-controlled input into host memory corruption, creating a potential **guest-to-host escape** path. The released… · thecybersecguru@infosec.exchange · 3
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