CVE-2025-22226: VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability
VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS. Successful exploitation allows an attacker with administrative privileges to a virtual machine to leak memory from the vmx process.
| Vendor | VMware |
|---|---|
| Product | ESXi, Workstation, and Fusion |
| Date added to KEV | 2025-03-04 |
| Due date (BOD 22-01) | 2025-03-25 |
| Known ransomware campaign use | Unknown |
| CWE | CWE-125 |
| 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 to do
- Identify every instance of VMware ESXi, Workstation, and Fusion in your environment (asset inventory, EDR, vulnerability scanner).
- Apply CISA's 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.
- Federal civilian agencies must act by 2025-03-25 under BOD 22-01; other organizations can use the same date as a target.
- Check the vendor advisory and NVD entry linked below for affected versions, then record the fix in your change log.
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