CVE-2026-59347
VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability
VMware VMware WorkstationContainers & cloud
CVSS
8.1HighExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)0.21%Chance of exploitation activity in the next 30 days, higher than 10% of CVEs. Scored 23 Oct 2026FIRST EPSS
Fixed inNone listedNo source names a fixed version. Check the vendor advisory below
What fixes it
No source in this snapshot names a fixed version. The vendor advisories under References are the place to check.
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)
Text from CVE List
Affected versions 4
- VMware Workstationaffected: 25H2 through 26H1CVE List
- VMware Workstationunaffected: 26H1u1CVE List
- VMware Fusionaffected: 25H2 through 26H1CVE List
- VMware Fusionunaffected: 26H1u1CVE List