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CVE-2025-22226

VMware ESXi, Workstation, and Fusion Information Disclosure

7.1 HIGHActively exploited (CISA KEV)EPSS 1.77%
  1. Published4 Mar 2025
  2. Added to CISA KEV4 Mar 2025
  3. Remediation due25 Mar 2025
Actively exploited (CISA KEV)

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.

Added to KEV: 4 Mar 2025Federal remediation due: 25 Mar 2025

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.

CVSS 3.1 breakdown

Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionNone
ScopeChanged
ConfidentialityHigh
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Affected products

VMware Cloud Foundationall versions
VMware Fusion≥ 13.0.0 < 13.6.3
VMware Telco Cloud Infrastructure2.2 · 2.5 · 2.7 · 3.0
VMware Telco Cloud Platform2.0 · 2.5 · 2.7 · 3.0
VMware Workstation≥ 17.0 < 17.6.3
VMware Esxi7.0 · 8.0

Remediation

Fixed in
VMware Fusion≥ 13.6.3
VMware Workstation≥ 17.6.3

Frequently asked

Is CVE-2025-22226 being actively exploited?

Yes. CVE-2025-22226 is listed in the CISA Known Exploited Vulnerabilities (KEV) catalog, added 4 Mar 2025.

How severe is CVE-2025-22226?

CVE-2025-22226 has a CVSS 3.1 base score of 7.1, rated high. EPSS estimates a 1.77% probability of exploitation.

Which products are affected by CVE-2025-22226?

Affected products include VMware Cloud Foundation, VMware Fusion, VMware Telco Cloud Infrastructure, VMware Telco Cloud Platform, VMware Workstation, and 1 more.

How do I fix CVE-2025-22226?

Upgrade affected software to a fixed version, for example VMware Fusion 13.6.3, VMware Workstation 17.6.3 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-22226 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. Because it is on the CISA KEV list, Secuno flags any affected asset as top-priority automatically. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.