CVE-2025-22224

CVE-2025-22224 is a critical-severity vulnerability in Vmware Esxi with a CVSS 3.x base score of 9.3. It is listed in CISA's Known Exploited Vulnerabilities (KEV) catalog, confirming it has been exploited in the wild (added 2025-03-04). The underlying weakness is classified as CWE-367.

Key facts

Description

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.

Frequently asked questions

What is CVE-2025-22224?
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.
How severe is CVE-2025-22224?
CVE-2025-22224 has a CVSS 3.x base score of 9.3, rated critical severity. It is exploitable over local access with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-22224 being actively exploited?
Yes. CVE-2025-22224 is on CISA's Known Exploited Vulnerabilities (KEV) catalog, added on 2025-03-04, which means active exploitation has been confirmed. It should be prioritised for remediation.
What products are affected by CVE-2025-22224?
CVE-2025-22224 primarily affects Vmware Esxi. In total, 56 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-22224?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Because this CVE is known to be actively exploited, treat remediation as urgent — CISA KEV typically sets a short remediation deadline.
Does CVE-2025-22224 have an EU (EUVD) identifier?
Yes. CVE-2025-22224 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-7603. It is also flagged as exploited in the EUVD (since 2025-03-04).
When was CVE-2025-22224 published?
CVE-2025-22224 was published on 2025-03-04 and last updated on 2026-06-17.

References

Affected products (56)

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