CVE-2025-41236: critical vulnerability in VMware ESXi
VMXNET3 integer-overflow vulnerability
Published · Updated
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28Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 9.3epss 2.6%
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.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
Affected products
VMware · Cloud FoundationVMware · ESXiVMware · FusionVMware · Telco Cloud InfrastructureVMware · Telco Cloud PlatformVMware · WorkstationRelated CVEs — VMware ESXi
In the same product, most dangerous first.
CVE-2026-59310CRITICALvCenter directory-traversal vulnerabilityEPSS 61.7%KEVCVE-2025-22224CRITICALCVE-2025-22224EPSS 1.6%KEVCVE-2026-41709LOWESX insufficient logging vulnerabilityEPSS 0.7%KEVCVE-2017-4933—CVE-2017-4933EPSS 3.6%CVE-2025-41239HIGHvSockets information-disclosure vulnerabilityEPSS 3.2%CVE-2017-4941—CVE-2017-4941EPSS 3.2%