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CVE PROGRAM SOURCE RECORD9.3 Critical

CVE-2026-47876

VMXNET3 out-of-bounds write vulnerability

Read JSON ↗CVE.org ↗
Status
Published
Published
Updated
Assigning organization
vmware

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

VMware Cloud Foundation

Default version status: unaffected

  • 9.1.x.xaffected
  • 9.0.x.xaffected
  • 5.xaffected

VMware vSphere Foundation

Default version status: unaffected

  • 9.1.x.xaffected
  • 9.0.x.xaffected

VMware ESX

Default version status: unaffected

  • 9.1.x.x to < ESXi-9.1.0.0200-25557999affected
  • 9.0.x.x to < ESXi-9.0.2.0100-25595025affected
  • 8.0 to < ESXi80U3k-25595708affected

VMware Telco Cloud Platform

Default version status: unaffected

  • 5.1.xaffected
  • 5.0.xaffected

References