CVE-2026-47876
Medium
Elevated severity or exploit probability.
CVSS base
9.3
CRITICAL
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
EPSS — probability of exploitation (30 days)
0.4%
29.3th percentile
CISA KEV
Not listed
Weakness / dates
CWE-787
Published 2026-07-30 · modified 2026-07-30
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.