CVE-2026-59347CWE-121

CVE-2026-59347

High · published October 7, 2026

CVSS v3.1
8.1
EPSS
0%
Percentile
10.3
In the wild
Unconfirmed
What it is

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)

The record
Technical detail
CVSS v3.1
8.1 · HIGH
Vector
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00207 · 10.3th percentile
Weakness
CWE-121 · Stack-based Buffer Overflow
Published
2026-10-07T10:16Z
References (1)
https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/security-advisories/0/38288 · [email protected]
EPSS history
Timeline
  • 08 OCT 03:31Z
    EPSS moved — → 0%
    epss
  • 07 OCT 05:40Z
    VMware Workstation and Fusion HGFS stack-based buffer-overflow vulnerability
    cvelistv5