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CVE-2025-22224

CriticalPublished

VMware ESXi and Workstation TOCTOU Race Condition Vulnerability

Published: Mar 4, 2025
Updated: Feb 26, 2026
Assigning CNA: vmware
Evidence observed: Mar 4, 2025

Primary CVSS

9.3/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS probability estimate

1.6%

Low · next 30 days

Percentile: 73.7%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

CISA Known Exploited

This CVE appears in the CISA Known Exploited Vulnerabilities catalog.

Summary

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.

Sources

vulnerability-pocPoC
CVE proof-of-concept labs, exploit scripts, and detection/prevention rules (Nginx, Apache, Snort, YARA) for high-severity CVEs. Authorized security testing & research only.

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