CVE-2026-47876

critical VMware
CVSS v3 Base Score
9.3
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack Characteristics
Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Confidentiality
High
Integrity
High
Availability
High
Published: July 30, 2026 (38 days ago)
Last Modified: July 30, 2026
Vendor: VMware
Source: MITRE

Description

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.

CWE

CWE-787

Affected Products

VMware Cloud FoundationVMware vSphere FoundationVMware ESXVMware Telco Cloud Platform

References