Buffer overflow in Vmware Cloud Foundation
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 exp…
Vulnerability class: Buffer Overflow
EPSS: 0.001 (31.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.3 (Critical). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Vmware Cloud Foundation — versions 5.x, 4.5.x
- Vmware Esxi — versions 8.0, 7.0
- Vmware Fusion — versions 13.x
- Vmware Telco Cloud Infrastructure — versions 3.x, 2.x
- Vmware Telco Cloud Platform — versions 5.x, 4.x, 3.x, 2.x
- Vmware Workstation — versions 17.x
Weakness classification (CWE)
Public proof-of-concept exploits
References
Frequently asked questions
- What is CVE-2025-41236?
- CVE-2025-41236 is a critical-severity vulnerability in Vmware Cloud Foundation, classified under Out-of-bounds Write. CVSS score: 9.3/10. Published 2025-07-15.
- How severe is CVE-2025-41236?
- Critical severity. CVSS v3 base score is 9.3 out of 10.
- Is CVE-2025-41236 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.