CVEs / CVE-2025-22226
CVE-2025-22226: VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability
- Known exploited in the CISA KEV catalog since 4 Mar 2025
- medium 6 CVSS 3.1 (NVD)
- EPSS 1.63% chance of exploitation in the next 30 days, higher than 76% of CVEs (30 Oct 2026)
- Last changed at its sources
Are you affected? Check your servers with Stackurity: it lists the software on each server and the vulnerabilities to fix first.
Check your servers with Stackurity Already using Stackurity? Search for CVE-2025-22226
Summary
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.
Description
VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS. A malicious actor with administrative privileges to a virtual machine may be able to exploit this issue to leak memory from the vmx process.
Affected and fixed versions
| Product | Affected | Fixed in |
|---|---|---|
| n/a ESXi | from 8.0, before ESXi80U3d-24585383 | ESXi80U3d-24585383 |
| n/a ESXi | from 8.0, before ESXi80U2d-24585300 | ESXi80U2d-24585300 |
| n/a ESXi | from 7.0, before ESXi70U3s-24585291 | ESXi70U3s-24585291 |
| n/a VMware Workstation | from 17.x, before 17.6.3 | 17.6.3 |
| n/a VMware Fusion | from 13.x, before 13.6.3 | 13.6.3 |
| n/a VMware Cloud Foundation | 5.x, 4.5.x | — |
| n/a VMware Telco Cloud Platform | 5.x, 4.x, 3.x, 2.x | — |
| n/a VMware Telco Cloud Infrastructure | 3.x, 2.x | — |
Exploitation
| In CISA KEV since | 4 Mar 2025 |
|---|---|
| Due date for US federal agencies | 25 Mar 2025 |
| Used in ransomware campaigns | Unknown |
| 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. |
Severity
| CVSS 3.1 | 6 mediumCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:NScored by NVD |
|---|---|
| Weakness | CWE-125 |
References
- CVE-2025-22226 on NVD
- CVE-2025-22226 in the CISA KEV catalog
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390 (cited by CISA)
- https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/25390 Vendor Advisory
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22226 US Government Resource
Sources
Exploitation status from the CISA Known Exploited Vulnerabilities catalog. EPSS scores from FIRST. Descriptions, severity and references from the National Vulnerability Database. Open-source package versions from OSV (CC-BY 4.0). Text is shown as each source states it; Stackurity does not edit it. Check the vendor's advisory before acting.
This product uses data from the NVD API but is not endorsed or certified by the NVD.