CVE-2025-22225
HIGH CISA KEVCVSS v3
8.2
HIGH
EPSS Score
—
exploit probability
CISA KEV
Yes
known exploited
Exploitation
—
SSVC status
Description
VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.
CISA Known Exploited Vulnerability
- Date Added
- 3/4/2025
- Patch Due Date
- 3/25/2025
- 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.
Technical Details
- CVSS v3 Vector
- 3.1
- Published
- 3/4/2025
- Last Modified
- 10/30/2025
Frequently Asked Questions
What is CVE-2025-22225?
VMware ESXi contains an arbitrary write vulnerability. A malicious actor with privileges within the VMX process may trigger an arbitrary kernel write leading to an escape of the sandbox.
Is CVE-2025-22225 actively exploited?
Yes. CVE-2025-22225 is on the CISA Known Exploited Vulnerabilities (KEV) catalog, meaning it has been confirmed as actively exploited in the wild. CISA requires federal agencies to patch by 3/25/2025.
What is the CVSS score for CVE-2025-22225?
CVE-2025-22225 has a CVSS v3 base score of 8.2 (HIGH severity), with vector string 3.1.
Is CVE-2025-22225 affecting your environment?
Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.