Vulnerability intelligence

CVE-2026-47876

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 Score

9.3

Critical

EPSS — Exploit Probability

0.4%

Riskier than 29% of all CVEs · checked 2026-09-12

Exploitation

Not in CISA KEV

KEV does not include every exploited vulnerability

Remediation

unknown

Check vendor advisories