CVE-2026-59346
CRITICAL
NVD
CVSS Score
9.3
Severity
CRITICAL
Published
Oct 07, 2026
Vendor
unknown
Description
VMware Workstation and Fusion contain an integer-overflow vulnerability. 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. Affected versions: - VMware Workstation: 25H2, 26H1 (fixed in 26H1u1) - VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)