Paper/Archive/CVE-2026-59346

CVE-2026-59346

VMware VMware Workstation — VMware Workstation and Fusion VMXNET3 integer-overflow vulnerability

CVSS 9.3 (CNA)9.3 / 10 × 3027.9 Not in CISA KEV+300.0 EPSS percentile 35.0.350 × 207.0 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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)

Affected

ProductAffectedFixed inSource

VMware Workstation25H2 – 26H1–CNA

VMware Fusion25H2 – 26H1–CNA

Scores by source

vmware (CNA)9.3CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: total

References

refsupport.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288