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  4. CVE 2026 59347 vmware workstation and fusion hgfs stack based
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Back to active CVEs
High · CVSS 8.1CVE-2026-59347

VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerabilityCVE-2026-59347

Answer in brief

CVE-2026-59347 records a High severity (CVSS 8.1) vulnerability in VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability. The current sources do not mark it as known exploited. The current feed maps VMware/VMware Fusion (generic), VMware/VMware Workstation (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Oct 7, 2026Updated Oct 7, 2026Source checked Oct 7, 2026First seen by HOL Oct 7, 2026Material review Oct 7, 2026
Upstream Advisory

Key facts

Risk
High · CVSS 8.1
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Not reported

Why this deserves its current priority

CVSS is 8.1. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps VMware/VMware Fusion (generic), VMware/VMware Workstation (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
VMware/VMware Fusiongeneric>=25H2 <=26H1Not reported
VMware/VMware Workstationgeneric>=25H2 <=26H1Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for VMware/VMware Fusion, VMware/VMware Workstation.
  2. 2Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

  1. Published upstream

    Oct 7, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Oct 7, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Oct 7, 2026

Sources and claim methodology

  • Source referencesupport.broadcom.com
Upstream source 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)

Quoted source text, attributed separately from HOL analysis.

Related CVEs

  • VMware Workstation and Fusion VMXNET3 integer-overflow vulnerabilitySame vmware/vmware fusion package
  • wstrncat() unsigned integer underflow leads to an off-by-one null write in wolfSSH on non-Windows platformsAlso CWE-121
  • Kirki – Freeform Page Builder, Website Builder & Customizer <= 6.3.1 - Unauthenticated Stored Cross-Site Scripting via Registration MetadataSame generic ecosystem
  • Integration for Epos Now and WooCommerce 4.6.0 - 4.11.1 - Unauthenticated Action Scheduler Queue DisclosureSame generic ecosystem
  • Geliver Akıllı Kargo Pazaryeri 3.0.0 - 3.1.0 - Unauthenticated API Key Disclosure via Public Log FileSame generic ecosystem
  • Frontend Dashboard < 3.0.0 - Subscriber+ Profile and Post Field Deletion via fed_user_profile_deleteSame generic ecosystem

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
CWE-121
Source
CVE List V5
Source checked
Oct 7, 2026
References
1 linked source
Open source record