CVE-2026-47876

Name of the Vulnerable Software and Affected Versions VMware ESX (affected versions not specified)

Description An out-of-bounds write issue exists in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine using the VMXNET3 adapter can exploit this to execute code on the host. The flaw is related to the espQueueMask component. Non-VMXNET3 virtual adapters are not affected.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.