Is CVE-2026-59346 being exploited?

No public exploit is currently tracked.

How severe is CVE-2026-59346?

CVE-2026-59346 has a CVSS v3 severity of CRITICAL (9.3).

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CVE-2026-59346

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)