---
cve: "CVE-2026-47876"
severity: "CRITICAL"
cvss: 9.3
epss: "28%"
vendor: "VMware"
kev: false
exploited: false
published: "2026-07-30 13:16:51"
tags: [cve, security, critical]
source: tsecurity.de CVE-Dossier
exported: "2026-09-08T16:04:41+02:00"
---

# CVE-2026-47876

> 9.3 CRITICAL

## Beschreibung

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.

## CVSS-Vektor

```
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
```

| Metrik | Wert | Bewertung |
|---|---|---|
| AV Angriffsvektor | Lokal | good |
| AC Komplexität | Gering | bad |
| PR Privilegien | Keine | bad |
| UI Interaktion | Keine | bad |
| S Scope | Verändert | bad |
| C Vertraulichkeit | Hoch | bad |
| I Integrität | Hoch | bad |
| A Verfügbarkeit | Hoch | bad |

## Referenzen

- <https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017>

---
_Exportiert aus dem [tsecurity.de CVE-Dossier](https://tsecurity.de/cve?cve=CVE-2026-47876) · Datenquellen: EUVD (ENISA), NVD, OSV, CISA KEV, FIRST EPSS, Exploit-DB, BSI BITS_