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9.3 Critical

CVE-2026-47876 VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter. A malicious actor…

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 and versions

Product Affected versions Fixed in
Cloud Foundation 9.1.x.x No fix stated
Cloud Foundation 9.0.x.x No fix stated
Cloud Foundation 5.x No fix stated
vSphere Foundation 9.1.x.x No fix stated
vSphere Foundation 9.0.x.x No fix stated
ESX 9.1 9.1.x.x → latest No fix stated
ESX 9.0 9.0.x.x → latest No fix stated
ESX 8.0 8.0 → latest No fix stated
Telco Cloud Platform 5.1.x No fix stated
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Product Affected versions Fixed in
Telco Cloud Platform 5.0.x No fix stated
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