Vulnerability · CVE-2025-22226
VMware ESXi, Workstation, and Fusion Information Disclosure Vulnerability
Published Mar 4, 2025 · catalog updated Jun 17, 2026 · VMware ESXi, Workstation, and Fusion
Patch now
CVE-2025-22226 is in the CISA known-exploited catalog, due Mar 25, 2025. Confirm VMware ESXi, Workstation, and Fusion against the vendor advisory and apply that fix. The CVSS score does not change the priority.
- Severity
- Medium6.0
- Known exploitation
- CISA KEV and VulnCheck KEV
- EPSS
- 1.77%
- Remediation
- Remediation guidance
- Affected products
- cpe vmware/cloud foundation · cpe vmware/esxi · vendor VMware ESXi, Workstation, and Fusion
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe vmware/cloud foundationversion unspecified
- cpe vmware/esxi7.0
- vendor VMware ESXi, Workstation, and Fusionversion unspecified
How to fix CVE-2025-22226
Recommended remediation
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable. CISA due date Mar 25, 2025.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
CVE-2025-22226 is in the CISA known-exploited catalog, due Mar 25, 2025. Confirm VMware ESXi, Workstation, and Fusion against the vendor advisory and apply that fix. The CVSS score does not change the priority.
Which versions are affected?
Compare what you have installed with 7.0. 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 should an analyst verify?
CWE-125: Out-of-bounds Read. EPSS 1.77%. The CISA KEV listing is the exploitation evidence. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Mar 4, 2025 · Catalog
Detected
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.
Mar 4, 2025 · CISA KEV
Known exploited
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Mar 25, 2025 · CISA KEV
Remediation due
Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Jun 17, 2026 · Catalog
Updated
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.
Sources
- CISA KEVConfirmed exploitationCVE-2025-22226
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.
cisa.gov - CVE.orgVulnerability recordCVE-2025-22226
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-22226
30-day exploitation probability 1.8%
first.org - NIST NVDVulnerability recordCVE-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 memory from the vmx process.
nvd.nist.gov - VulnCheck KEVConfirmed exploitationCVE-2025-22226
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.
vulncheck.com
References
- VulnCheck exploitation evidence · blog.qualys.com
- VulnCheck exploitation evidence · github.com
- CISA note · nvd.nist.gov
- VulnCheck exploitation evidence · slcyber.io
- CISA note · support.broadcom.com
- US Government Resource · cisa.gov
- VulnCheck exploitation evidence · cisa.gov
- VulnCheck exploitation evidence · huntress.com
Freshness
Last verified in this catalog Oct 17, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.