CVE-2026-47876
CVE CVE-2026-47876EUVD EUVD-2026-51105Published 2026-07-30T12:31:52.000ZLast changed 2026-07-30T13:02:29.000ZCVSS 9.3
What the advisory describes
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.
Source: EUVD (ENISA), in the words of the advisory.
Products the advisory names
These come from the advisory itself, not from any check we performed.
- VMware — Cloud Foundation 5.x; 9.0.x.x; 9.1.x.x
- VMware — ESX 9.1.x.x <ESXi-9.1.0.0200-25557999; 9.0.x.x <ESXi-9.0.2.0100-25595025; 8.0 <ESXi80U3k-25595708
- VMware — Telco Cloud Platform 5.1.x; 5.0.x
- VMware — vSphere Foundation 9.1.x.x; 9.0.x.x
The versions shown are the advisory's own. Patchlage compares no version numbers and derives no judgement from them — which version is installed is something a person has to look up.
Carried in the product catalogue
An estate covering these products can be recorded in Patchlage. An advisory about them appears in the next morning's situation report.
- VMware — Cloud Foundation
- VMware — ESX
- VMware — vSphere Foundation
Does this concern one of your customers?
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Try it for 28 daysPatchlage reports hits and suspected hits. About everything else this system says nothing — neither this page nor the situation report ever claims that an estate is safe.