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CVE

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. A malicious actor with administrative privileges to a virtual machine may be able to exploit this issue to leak memory from the vmx process.

HIGH · CVSS 7.1 ⚠ CISA KEV EPSS 0.04231
Act now
  • Listed on CISA KEV (known exploited in the wild)
  • SSVC exploitation status: active
  • CVSS base score ≥ 7.0
Sigma rules10 YARA rules0
⬢

Required 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.

⬡

Weakness Classification

CWE-125Out-of-bounds Read
CWE-125Out-of-bounds Read
▤

Affected Products & Versions

6
vmware esxiall versions
vmware cloud foundationall versions
vmware fusion>= 13.0.0 and < 13.6.3
vmware telco cloud infrastructureall versions
vmware telco cloud platformall versions
vmware workstation>= 17.0 and < 17.6.3
◈

Sigma Hunt Rules

10
Exact rules name this CVE ID. Product rules name an affected product in their title. Related rules cover techniques used by actors who exploited this CVE. Showing the most relevant matches; the complete related set is on the full drill-down.
productmediumSuspicious Workstation Locking via Rundll32
productinformationalLocked Workstation
producthighESXi Admin Permission Assigned To Account Via ESXCLI
productmediumESXi Storage Information Discovery Via ESXCLI
productmediumESXi Network Configuration Discovery Via ESXCLI
productmediumESXi VSAN Information Discovery Via ESXCLI
▣

Scoring & Timeline

7.1
HIGH · CVSS v3.1 · security@vmware.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD04 Mar 2025 · 12:15 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
SSVC triage · cisa-vulnrichment
Exploitation
active
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

3
cisaKEV-CVE-2025-22226
vmware-vmsavmware-vmsa-security-advisories-vmsa-2025-0004-README
cisa-csafcisa-csaf-csaf_files-OT-white-2025-icsa-25-077-02
🔗

References & Sources

1
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-22226US Government Resource
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