CVE-2026-47876: VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network ad
HIGHCritical vulnerability — CVSS 9.3
What to do
- Critical severity — schedule an urgent patch.
VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host. Non VMXNET3 virtual adapters are not affected by this issue.
CVE · detail
- CVE-2026-47876nvd ↗EPSS 0.36%
Early access
Get the next one first.
Early access opens the actor API and MCP server first, plus alerts when an adversary you follow lands on the wire. One email when it's ready. Nothing else, ever.
bot-protected