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CVE PROGRAM SOURCE RECORD8.1 High

CVE-2026-59347

VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability

Description

VMware Workstation and Fusion contain a stack-based buffer-overflow vulnerability in HGFS. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host. Affected versions: - VMware Workstation: 25H2, 26H1 (fixed in 26H1u1) - VMware Fusion: 25H2, 26H1 (fixed in 26H1u1)

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

VMware VMware Workstation

Default version status: unaffected

  • 25H2 to ≤ 26H1affected
  • 26H1u1unaffected

VMware VMware Fusion

Default version status: unaffected

  • 25H2 to ≤ 26H1affected
  • 26H1u1unaffected

References