CVE-2025-41236
CVSS v3
9.3
CRITICAL
EPSS Score
2.5 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2025-07-15
- Last Modified
- 2026-04-15
Frequently asked questions
What is CVE-2025-41236?
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.
Is CVE-2025-41236 actively exploited?
Active exploitation of CVE-2025-41236 has not been confirmed. Its EPSS score was 2.5% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-41236?
CVE-2025-41236 has a CVSS v3 base score of 9.3 (CRITICAL severity).
Is CVE-2025-41236 affecting your environment?
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