Which products and versions are affected by CVE-2025-22226?

Affected: Cloud Foundation (Vmware) versions >= 5.x, 4.5.x; Fusion (Vmware) versions >= 13.x; Telco Cloud Infrastructure (Vmware) versions 2.2, 2.5, 2.7, 3.0, >= 3.x, 2.x, among others. The full list is in the CVE brief.

Is CVE-2025-22226 being exploited in the wild?

It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 4, 2025 and is known to be used in ransomware campaigns.

Is CVE-2025-22226 in the CISA KEV catalog?

Yes. It was added on Mar 4, 2025 with a federal remediation due date of Mar 25, 2025.

Is there a public exploit for CVE-2025-22226?

Public exploit code is available.

Is there a fix for CVE-2025-22226?

Fixed versions are available, including ESXi ESXi70U3s-24585291, ESXi ESXi80U2d-24585300, ESXi ESXi80U3d-24585383.

How urgently should CVE-2025-22226 be patched?

Brandefense priority: patch immediately, because it is listed as exploited in the wild.

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Vulnerability Intelligence

CVE-2025-22226

MediumExploitedPublic exploit

VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS.

Published Mar 6, 2025 · Updated Feb 26, 2026

Key Facts

Patch immediately

CVE-2025-22226 is a medium-severity vulnerability (CVSS 6.0 v3.1) affecting Cloud Foundation (Vmware), Fusion (Vmware), Telco Cloud Infrastructure (Vmware) and 3 more products.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 4, 2025 and is known to be used in ransomware campaigns. Public exploit code is available.
EPSS estimates a 1.8% probability of exploitation in the next 30 days.
Fixed versions are available, including ESXi ESXi70U3s-24585291, ESXi ESXi80U2d-24585300, ESXi ESXi80U3d-24585383.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

CVSS v3.1

6.0

CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:C/C:H/I:N/A:N

EPSS (30-day exploit likelihood)

1.8%

Higher than 77.7% of all scored CVEs

Exploited in the wild

Yes

4 catalog listings, used by ransomware

Public exploit code

Available

Proof-of-concept or weaponized module

Get the full CVE-2025-22226 brief as a PDF

Every affected product and fixed release, exploitation status and a first 24 hours response checklist, emailed within minutes.

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.

Known-Exploited Catalog Listings

Catalog	Added	Remediation due	Ransomware use
CISA KEV	Mar 4, 2025	Mar 25, 2025	Not reported
Industry KEV feed	Mar 4, 2025	Mar 25, 2025	Known
CIRCL KEV	Mar 4, 2025	Mar 25, 2025	Not reported
ENISA EUVD	Mar 4, 2025	n/a	Not reported

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.

Affected Products

63 affected entries in total

Product	Affected versions	Fixed in
Cloud FoundationVmware	>= 5.x, 4.5.x	n/a
FusionVmware	>= 13.x	13.6.3
Telco Cloud InfrastructureVmware	2.2, 2.5, 2.7, 3.0, >= 3.x, 2.x	n/a
Telco Cloud PlatformVmware	2.0, 2.5, 2.7, 3.0, 4.0, 4.0.1, 5.0, >= 5.x, 4.x, 3.x, 2.x	n/a
WorkstationVmware	>= 17.x	17.6.3

1 more affected products in the full CVE brief

Patched Releases

ESXi

ESXi70U3s-24585291, ESXi80U2d-24585300, ESXi80U3d-24585383

Fusion

13.6.3

Workstation

17.6.3

Timeline

Added to CISA KEV
Mar 4, 2025
Added to Industry KEV feed
Mar 4, 2025
Added to CIRCL KEV
Mar 4, 2025
Added to ENISA EUVD
Mar 4, 2025
Publicly disclosed
Mar 6, 2025
Last updated
Feb 26, 2026

Weakness Type

CWE-125 Out-of-bounds Read

References

5 more references in the full CVE brief

FAQ

Common Questions.

VMware ESXi, Workstation, and Fusion contain an information disclosure vulnerability due to an out-of-bounds read in HGFS.
Affected: Cloud Foundation (Vmware) versions >= 5.x, 4.5.x; Fusion (Vmware) versions >= 13.x; Telco Cloud Infrastructure (Vmware) versions 2.2, 2.5, 2.7, 3.0, >= 3.x, 2.x, among others. The full list is in the CVE brief.
It is exploited in the wild, listed in CISA KEV, Industry KEV feed, CIRCL KEV, ENISA EUVD since Mar 4, 2025 and is known to be used in ransomware campaigns.
Yes. It was added on Mar 4, 2025 with a federal remediation due date of Mar 25, 2025.
Public exploit code is available.
Fixed versions are available, including ESXi ESXi70U3s-24585291, ESXi ESXi80U2d-24585300, ESXi ESXi80U3d-24585383.
Brandefense priority: patch immediately, because it is listed as exploited in the wild.

Is CVE-2025-22226 Running On Your Attack Surface?

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