Vulnerability in Esxi

CVE-2025-22226

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 memo…

EPSS: 0.042 (89.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N.

Affected products

  • N/a Esxi — versions 8.0, 7.0
  • N/a Vmware Cloud Foundation — versions 5.x, 4.5.x
  • N/a Vmware Fusion — versions 13.x
  • N/a Vmware Telco Cloud Infrastructure — versions 3.x, 2.x
  • N/a Vmware Telco Cloud Platform — versions 5.x, 4.x, 3.x, 2.x
  • N/a Vmware Workstation — versions 17.x

CISA KEV (Known Exploited Vulnerabilities)

This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.

BOD 22-01 due date: .

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.

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-22226?
CVE-2025-22226 is a high-severity vulnerability in Esxi. CVSS score: 7.1/10. Published 2025-03-04.
How severe is CVE-2025-22226?
High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-22226 known to be exploited?
Yes. CVE-2025-22226 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2025-03-04), indicating it is being actively exploited. 6 public proof-of-concept repositories are indexed.