VMCI integer-underflow vulnerability
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||||||||
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| VMware | Cloud Foundation | unaffected |
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| VMware | vSphere Foundation | unaffected |
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| VMware | ESXi | unaffected |
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| VMware | Workstation | unaffected |
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| VMware | Fusion | unaffected |
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| VMware | Telco Cloud Platform | unaffected |
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| VMware | Telco Cloud Infrastructure | unaffected |
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No data.
No data.
| Vendor | Product | Versions |
|---|---|---|
| Vmware | Esxi | — |
| Vmware | Fusion | — |
| Vmware | Workstation | — |
| Source | ID | Title |
|---|---|---|
EUVD |
EUVD-2025-21543 | VMware ESXi, Workstation, and Fusion contain an integer-underflow in VMCI (Virtual Machine Communication Interface) that leads to an out-of-bounds write. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host. On ESXi, the exploitation is contained within the VMX sandbox whereas, on Workstation and Fusion, this may lead to code execution on the machine where Workstation or Fusion is installed. |
No CVSS v4.0
No CVSS v3.0
No CVSS v2
This CVE is not in the KEV list.
Exploit prediction score: < 1% (0.464% probability within 30 days)
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| Description | VMware ESXi, Workstation, and Fusion contain an integer-underflow in VMCI (Virtual Machine Communication Interface) that leads to an out-of-bounds write. A malicious actor with local administrative privileges on a virtual machine may exploit this issue to execute code as the virtual machine's VMX process running on the host. On ESXi, the exploitation is contained within the VMX sandbox whereas, on Workstation and Fusion, this may lead to code execution on the machine where Workstation or Fusion is installed. | |
| Title | VMCI integer-underflow vulnerability | |
| Weaknesses | CWE-787 | |
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| Metrics |
cvssV3_1
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