CVE-2017-4934: VMware Fusion

High severity, CVSS 8.8. EPSS: 0.4% chance of exploitation in the next 30 days.

VMware Workstation (12.x before 12.5.8) and Fusion (8.x before 8.5.9) contain a heap buffer-overflow vulnerability in VMNAT device. This issue may allow a guest to execute code on the host.

Affected products

• VMware Fusion: version 8.0.0 only; version 8.0.1 only; version 8.0.2 only; version 8.1.0 only; version 8.1.1 only; version 8.5.0 only; …
• VMware Workstation: version 12.0.0 only; version 12.0.1 only; version 12.1 only; version 12.1.1 only; version 12.5 only; version 12.5.1 only; …

Published 2017-11-17. Last modified 2026-06-17.