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

MITRE NVD CVE.ORG JSON API

Summary

CVECVE-2026-59347
StatePUBLISHED
Assignervmware
Source PriorityCVE Program / NVD first with legacy fallback
Published2026-10-07 06:16:35 UTC
Updated2026-10-07 15:58:17 UTC
DescriptionVMware 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)

Risk And Classification

Primary CVSS: v3.1 8.1 HIGH from [email protected]

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS: 0.002070000 probability, percentile 0.099140000 (date 2026-10-07)

Problem Types: CWE-121 | CWE-121 CWE-121 Stack-based Buffer Overflow

VersionSourceTypeScoreSeverityVector
3.1[email protected]Secondary8.1HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
3.1CNACVSS8.1HIGHCVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

CVSS v3.1 Breakdown

Attack Vector
Local
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Changed
Confidentiality
High
Integrity
High
Availability
High

CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

Vendor Declared Affected Products

SourceVendorProductVersionPlatforms
CNA VMware VMware Workstation affected 25H2 26H1 custom Not specified
CNA VMware VMware Workstation unaffected 26H1u1 custom Not specified
CNA VMware VMware Fusion affected 25H2 26H1 custom macOS
CNA VMware VMware Fusion unaffected 26H1u1 custom macOS

References

ReferenceSourceLinkTags
support.broadcom.com/web/ecx/support-content-notification/-/external/content/secur... [email protected] support.broadcom.com
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

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