CVEs / CVE-2025-22224
CVE-2025-22224: VMware ESXi and Workstation TOCTOU Race Condition Vulnerability
- Known exploited in the CISA KEV catalog since 4 Mar 2025
- high 8.2 CVSS 3.1 (NVD)
- EPSS 1.56% chance of exploitation in the next 30 days, higher than 75% of CVEs (30 Oct 2026)
- Last changed at its sources
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Summary
VMware ESXi and Workstation contain a time-of-check time-of-use (TOCTOU) race condition vulnerability that leads to an out-of-bounds write. Successful exploitation enables an attacker with local administrative privileges on a virtual machine to execute code as the virtual machine's VMX process running on the host.
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.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| VMware ESXi | from 8.0, before ESXi80U3d-24585383 | ESXi80U3d-24585383 |
| VMware ESXi | from 8.0, before ESXi80U2d-24585300 | ESXi80U2d-24585300 |
| VMware ESXi | from 7.0, before ESXi70U3s-24585291 | ESXi70U3s-24585291 |
| VMware Workstation | from 17.x, before 17.6.3 | 17.6.3 |
| VMware VMware Cloud Foundation | 5.x, 4.5.x | — |
| VMware Telco Cloud Platform | 5.x, 4.x, 3.x, 2.x | — |
| VMware Telco Cloud Infrastructure | 3.x, 2.x | — |
Exploitation
| In CISA KEV since | 4 Mar 2025 |
|---|---|
| Due date for US federal agencies | 25 Mar 2025 |
| Used in ransomware campaigns | Unknown |
| Required action | Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. |
Severity
| CVSS 3.1 | 8.2 highCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:HScored by NVD |
|---|---|
| Weakness | CWE-367 |
References
- CVE-2025-22224 on NVD
- CVE-2025-22224 in the CISA KEV catalog
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390 (cited by CISA)
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22224 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.