Exploited CVEs / VMware / CVE-2025-22224
CVE-2025-22224
VMware ESXi and Workstation TOCTOU Race Condition Vulnerability. Exploitation in the wild is confirmed by CISA, not predicted. Federal agencies were required to remediate by 2025-03-25 (that deadline has passed); treat that date as the outer bound for your own environment. The fix is in the vendor advisory: Broadcom (VMware) Security Advisories, linked below.
Actively exploited VMware ESXi and Workstation vulnerability, High severity, CVSS 8.2. Added to the CISA KEV catalog 2025-03-04.
Risk summary
Updated July 28, 2026. Data refreshed on every build from MSRC, CISA KEV, and FIRST EPSS.
Senserva AI Opinion for CVE-2025-22224
A time-of-check time-of-use race condition in VMware ESXi and Workstation producing an out-of-bounds write: a local administrator in a guest VM executes code as the VMX process on the host. As the entry point of the actively exploited March 2025 VMware chain, it converts a single compromised VM into a host takeover, CVSS 8.2.
Do this: Prioritize this patch on ESXi hosts running any untrusted or internet-exposed guest workloads.
AI-generated from public data, 2026-07-07. Verify against the vendor advisory before acting.
Senserva AI Opinion and rich prompt for CVE-2025-22224
Copy this prompt into Claude, ChatGPT, or Copilot. The facts are included, sourced from this page.
Full tracking and change history for CVE-2025-22224
Published and last-revised dates are authoritative, from Microsoft MSRC (or the CISA KEV date-added). Senserva additionally records day-to-day changes from 2026-07-07, refreshed several times a day; the change count reflects that forward-only tracking.
CISA required action
Federal (BOD 22-01) remediation due date: 2025-03-25 (past due).
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Official fix for CVE-2025-22224
The authoritative fix and affected-version list are published by the vendor. Find the ESXi and Workstation advisory on Broadcom (VMware) Security Advisories.
Common questions about CVE-2025-22224
Is CVE-2025-22224 actively exploited?
Yes. CVE-2025-22224 was added to the CISA Known Exploited Vulnerabilities (KEV) catalog on 2025-03-04, which means exploitation in the wild has been confirmed, not predicted. Its EPSS 30-day exploitation probability is 1.5%.
What is the CISA deadline and required action for CVE-2025-22224?
CISA set the federal (BOD 22-01) remediation due date at 2025-03-25, which has passed; treat any unremediated system as overdue. The verbatim 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.
What fixes CVE-2025-22224?
The authoritative fix is in the vendor advisory: see Broadcom (VMware) Security Advisories for the patched ESXi and Workstation versions and any workarounds. KEV listing makes this a fix-first item: patch it ahead of higher-CVSS issues nobody is exploiting.
Can I ask my own AI about CVE-2025-22224?
Yes. This page includes a free, ready-to-paste AI prompt containing CVE-2025-22224's key facts: severity, CVSS, EPSS, the KEV date, the CISA due date, and the required action. Copy it into Claude, ChatGPT, or Copilot; the data is refreshed twice a day (5 AM and 3 PM US Central).
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Authoritative references
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