CVE-2021-21997: VMware Tools

Medium severity, CVSS 5.5. EPSS: 0.7% chance of exploitation in the next 30 days.

VMware Tools for Windows (11.x.y prior to 11.3.0) contains a denial-of-service vulnerability in the VM3DMP driver. A malicious actor with local user privileges in the Windows guest operating system, where VMware Tools is installed, can trigger a PANIC in the VM3DMP driver leading to a denial-of-service condition in the Windows guest operating system.

Affected products

• VMware Tools: from 11.0.0, before 11.3.0 (fixed in 11.3.0)

Published 2021-06-18. Last modified 2026-06-17.