CVE-2025-22225: VMware ESXi Arbitrary Write Vulnerability

High severity, CVSS 8.2. Actively exploited: in CISA KEV since 2025-03-04. EPSS: 1% chance of exploitation in the next 30 days.

VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.

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; …

Published 2025-03-04. Last modified 2026-08-04.