CVE-2025-41236

VMXNET3 integer-overflow vulnerability

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.

Category

9.3
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.02%
Affected: VMware ESXi
Affected: VMware Cloud Foundation
Affected: VMware Workstation
Affected: VMware Fusion
Affected: VMware Telco Cloud Platform
Affected: VMware Telco Cloud Infrastructure
Published at:
Updated at:

References

Frequently Asked Questions

What is the severity of CVE-2025-41236?
CVE-2025-41236 has been scored as a critical severity vulnerability.
How to fix CVE-2025-41236?
To fix CVE-2025-41236, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-41236 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-41236 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-41236?
CVE-2025-41236 affects VMware ESXi, VMware Cloud Foundation, VMware Workstation, VMware Fusion, VMware Telco Cloud Platform, VMware Telco Cloud Infrastructure.
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