VMXNET3 integer-overflow vulnerability
Published Jul 15, 2025
9.3
CRITICALCVSS 3.1
EPSS 2.53%
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.
Affected products
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- Version 5.x, 4.5.xStatusaffectedConstraints-
- Version
-
- Version 7.0StatusaffectedConstraints<ESXi70U3w-24784741
- Version 8.0StatusaffectedConstraints<ESXi80U2e-24789317
- Version 8.0StatusaffectedConstraints<ESXi80U3f-24784735
- Version
-
- Version 13.xStatusaffectedConstraints<=13.6.4
- Version
-
- Version 3.x, 2.xStatusaffectedConstraints-
- Version
-
- Version 5.x, 4.x, 3.x, 2.xStatusaffectedConstraints-
- Version
-
- Version 17.xStatusaffectedConstraints<17.6.4
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| VMware | Cloud Foundation | unaffected |
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| VMware | ESXi | unaffected |
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| VMware | Fusion | unaffected |
| ||||||||||||
| VMware | Telco Cloud Infrastructure | unaffected |
| ||||||||||||
| VMware | Telco Cloud Platform | unaffected |
| ||||||||||||
| VMware | Workstation | unaffected |
|
No data.
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
No CVSS v3.0 score for this CVE.
No CVSS v2.0 score for this CVE.
This CVE is not in the KEV list.
CISA SSVC (Vulnrichment)
Stakeholder-Specific Vulnerability Categorization from CISA ADP.
Exploitation
NoneAutomatable
NoTechnical Impact
TotalDecision
n/aAssessed Jul 16, 2025 · SSVC 2.0.3
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2025–2026- EPSS v4
- EPSS v5
Percentile over time
- EPSS v4
- EPSS v5
Table of values (3 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.53% (0.02534) | 84.37th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.11% (0.02107) | 79.28th | v5 (v2026.06.15) |
| Jul 16, 2025 | 0.02% (0.00017) | 2.39th | v4 (v2025.03.14) |
References (1)
Change history (0)
No recorded changes yet.