CVE-2026-47876
Last modified
CVE-2026-47876 is a critical-severity vulnerability rated 9.3/10 on the CVSS scale. 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..
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.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Weakness Enumeration
Affected Software
Source: CNA advisory (CVE.org). NVD analysis pending.
| Vendor | Product | Versions |
|---|---|---|
| VMware | Cloud Foundation | 9.1.x.x; 9.0.x.x; 5.x |
| VMware | vSphere Foundation | 9.1.x.x; 9.0.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 |
References
Timeline
- Published
- Last Modified
- Status
- Awaiting Analysis
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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