vulnerability · Wed 29 Jul 2026 · 13:02 UTC
CVE-2026-47876: VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network
Filed UTCSource SCA ↗
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.
Signals
as the pipeline stamped them- High
- Critical vulnerability — CVSS 9.3
- What to do
- Critical severity — schedule an urgent patch.
CVE
KEV from CISA · EPSS from FIRST| Id | KEV | EPSS | Reference |
|---|---|---|---|
| CVE-2026-47876 | — | 0.19% | NVD ↗ |
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