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High severity · published Oct 7, 2026
CVE-2026-59347
VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability
8.1
CVSS
0.2%
EPSS
No
On KEV
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)
CVSS vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Attack vector
Local
Complexity
High
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
VF
VMware Fusion · VMware
25H2 through 26H1 · source: vendor
VW
VMware Workstation · VMware
25H2 through 26H1 · source: vendor
Affected product
VF
VMware Fusion
VMware
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-59347
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-59347
support.broadcom.com
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288
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