Threat Investigation
Request a demo

CVE-2026-59347

High

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)

SeverityHigh
CVSS8.1
Exploit probability—
ProductVMware Workstation
PublishedOct 7, 2026
First seenOct 7, 2026
Weakness typeCWE-121CWE-121

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
VMware VMware Workstation25H2 ≤ v ≤ 26H1—
VMware VMware Fusion25H2 ≤ v ≤ 26H1—

Check your version

Choose the product and enter the version you run to see whether it falls in the affected range.

In the Intelligence 360 plan

Attack Surface Management

See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.