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9.3Critical

CVE-2025-41236VMXNET3 integer-overflow vulnerability

VMware ESXi; VMware Cloud Foundation; VMware Workstation; VMware Fusion Published: (1 year ago)

Description

VMware ESXi, Workstation, and Fusion contain an integer-overflow vulnerability in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the host. Non VMXNET3 virtual adapters are not affected by this issue.

Weakness (CWE): CWE-787

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

VendorProductVersions
VMware Cloud Foundation 5.x, 4.5.x
VMware ESXi 8.0 – < ESXi80U3f-24784735, 8.0 – < ESXi80U2e-24789317, 7.0 – < ESXi70U3w-24784741
VMware Fusion 13.x – ≤ 13.6.4
VMware Telco Cloud Infrastructure 3.x, 2.x
VMware Telco Cloud Platform 5.x, 4.x, 3.x, 2.x
VMware Workstation 17.x – < 17.6.4

References and patches

Recent CVEs in the same product — VMware ESXi / vCenter

2.7Low
CVE-2026-41709 KEV

ESX insufficient logging vulnerability

VMware Cloud Foundation; VMware vSphere Foundation; VMware ESX; VMware Telco Cloud Platform

VMware ESX contains an insufficient logging vulnerability. A malicious administrator could exploit this issue to perform certain operations without them being logged.

7.6High
CVE-2026-41703

Out-of-bounds read vulnerability

VMware Cloud Foundation; VMware vSphere Foundation; VMware ESX; VMware Workstation

VMware ESX, Workstation, and Fusion contain an out-of-bounds read vulnerability. A malicious actor with VM deployment privileges could trigger an out-of-bounds read, potentially leading to information disclosure or more likely a Denial-of-Service (DoS) condit…

9.3Critical
CVE-2026-47876

VMXNET3 out-of-bounds write vulnerability

VMware Cloud Foundation; VMware vSphere Foundation; VMware ESX; VMware Telco Cloud Platform

VMware ESX contains an out-of-bounds write vulnerability in the VMXNET3 virtual network adapter. A malicious actor with local administrative privileges on a virtual machine with VMXNET3 virtual network adapter may exploit this issue to execute code on the hos…

9.8Critical
CVE-2026-59309

vCenter authentication-bypass vulnerability

VMware Cloud Foundation; VMware vSphere Foundation; VMware vCenter; VMware Telco Cloud Infrastructure

VMware vCenter contains an authentication bypass vulnerability in the VMware Directory Service. A malicious actor with network access to vCenter may exploit this issue to bypass authentication and gain unauthorized access to the system.

9.8Critical
CVE-2026-59310 KEV Used in ransomware

vCenter directory-traversal vulnerability

VMware Cloud Foundation; VMware vSphere Foundation; VMware vCenter; VMware Telco Cloud Infrastructure

VMware vCenter contains a directory traversal vulnerability in the Syslog server. A malicious actor with network access to vCenter may exploit this issue to execute arbitrary code.

62%EPSS
8.0High
CVE-2026-41724

VMSA-2026-0004: VMware Cloud Foundation Operations updates address multiple vulnerabilities (CVE-2026-41722, CVE-2026-41723 and CVE-2026-41724)

VMware VCF operations; VMware VMware Aria Operations; VMware VMware Telco Cloud Platform

VMware Cloud Foundation Operations contains multiple stored cross-site scripting vulnerabilities.A malicious actor with privileges to create policies, views or text-widgets may be able to inject scripts to perform administrative actions in VMware Cloud Founda…