CVE-2025-22225 — Actively Exploited: ESXi (VMware)
VMware ESXi contains an arbitrary write vulnerability. Successful exploitation allows an attacker with privileges within the VMX process to trigger an arbitrary kernel write leading to an escape of the sandbox.
| CVE ID | CVE-2025-22225 |
|---|---|
| Vendor | VMware |
| Product | ESXi |
| Vulnerability name | VMware ESXi Arbitrary Write Vulnerability |
| Date added | 2025-03-04 |
| Remediation due | 2025-03-25 |
| Known ransomware use | Known |
| 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. |
| Description | VMware ESXi contains an arbitrary write vulnerability. Successful exploitation allows an attacker with privileges within the VMX process to trigger an arbitrary kernel write leading to an escape of the sandbox. |
| Source | CISA Known Exploited Vulnerabilities |
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