What is GHSA-8f48-75j5-mrf7?

GHSA-8f48-75j5-mrf7 is a security advisory published by GitHub Security Advisories with Critical severity. VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter....

Which CVE IDs does GHSA-8f48-75j5-mrf7 cover?

GHSA-8f48-75j5-mrf7 covers the following CVE IDs: CVE-2026-47876. Each CVE has its own detail page on EchelonGraph Pulse with the synthesized EG score.

What is the CVSS v3 score of GHSA-8f48-75j5-mrf7?

GHSA-8f48-75j5-mrf7 has a CVSS v3 base score of 9.3, published by GitHub Security Advisories.

GHSA-8f48-75j5-mrf7CriticalCVSS 9.3

VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter....

Vendor

GitHub Security Advisories

Published

July 30, 2026

Last Modified

July 30, 2026

🔗 CVE IDs covered (1)

CVE-2026-47876 →

📋 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.

🔗 References (3)

https://nvd.nist.gov/vuln/detail/CVE-2026-47876
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017
https://github.com/advisories/GHSA-8f48-75j5-mrf7