CVE-2025-22224: VMware ESXi and Workstation TOCTOU Race Condition Vulnerability

High severity, CVSS 8.2. Actively exploited: in CISA KEV since 2025-03-04. EPSS: 1.6% chance of exploitation in the next 30 days.

VMware ESXi, and Workstation contain a TOCTOU (Time-of-Check Time-of-Use) vulnerability that leads to an out-of-bounds write. 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 products

• VMware Cloud Foundation: affected versions not specified
• VMware ESXi: version 7.0 only; version 8.0 only
• VMware Telco Cloud Infrastructure: version 2.2 only; version 2.5 only; version 2.7 only; version 3.0 only
• VMware Telco Cloud Platform: version 2.0 only; version 2.5 only; version 2.7 only; version 3.0 only; version 4.0 only; version 4.0.1 only; …
• VMware Workstation: from 17.0, before 17.6.3 (fixed in 17.6.3)

Published 2025-03-04. Last modified 2026-06-17.