CVE-2025-22224

VMware ESXi and Workstation TOCTOU Race Condition Vulnerability

  • Critical 9.3
  • Exploited: added to CISA KEV 4 Mar 2025

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.

Key facts

Published
4 Mar 2025
Last changed
26 Feb 2026
Assigned by
vmware
KEV added
4 Mar 2025
KEV fix due
25 Mar 2025
EPSS
1.561% likely to be exploited in the next 30 days, higher than 75.648% of CVEs (scores for 15 Nov 2026)
SSVC (CISA)
Exploitation: active; Automatable: no; Technical impact: total

Severity scores

Each score is shown as its source gave it. They are not averaged or merged.

  • 9.3CVSS 3.1, Criticalfrom the CNA (vmware)CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

What to do

  • Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.CISA KEV required action

Historical context and remediation

This reference retains the original CVE publication date. A recent record update does not mean a new attack occurred.

No separately sourced impact summary is available on this page yet. Consult the description, version data and dated exploitation evidence.

Version statuses below come from the CNA. An “unaffected” version is not necessarily a currently supported release or proof of a patch date. EPSS is a dated risk estimate, not a count of historical attacks.

Read the original CVE record.

Affected products

VendorProductVersions
VMwareESXi
  • Default status: unaffected
  • 8.0 up to but excluding ESXi80U3d-24585383 (affected)
  • 8.0 up to but excluding ESXi80U2d-24585300 (affected)
  • 7.0 up to but excluding ESXi70U3s-24585291 (affected)
VMwareWorkstation
  • Default status: unaffected
  • 17.x up to but excluding 17.6.3 (affected)
VMwareVMware Cloud Foundation
  • Default status: unaffected
  • 5.x, 4.5.x (affected)
VMwareTelco Cloud Platform
  • Default status: unaffected
  • 5.x, 4.x, 3.x, 2.x (affected)
VMwareTelco Cloud Infrastructure
  • Default status: unaffected
  • 3.x, 2.x (affected)

Timeline

  1. 4 Mar 2025 CVE-2025-22224 added to CISA KEV
  2. 4 Mar 2025 Added to the CISA KEV catalogue
  3. 4 Mar 2025 Published

Weakness

References