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CVE-2026-47876

VMware ESX contains an out-of-bounds write 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.
Lifecycle PUBLISHED1 preserved revisionFact urn:baitaphish:canonical-cve-fact-revision:v2:49f7fe0cc80d39fcbbd380b161c33b4285be099135e25bcdecc3cabdfb2880b9
Known exploited
Not asserted
Disputed
No
Stale source
No
Conflicts
1

Preserved source conflicts

No provider value was silently selected as the winner.

affected · 4 assertions

{"defaultStatus":"unaffected","product":"Cloud Foundation","vendor":"VMware","versions":[{"status":"affected","version":"9.1.x.x"},{"status":"affected","version":"9.0.x.x"},{"status":"affected","version":"5.x"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/affected/0

{"defaultStatus":"unaffected","product":"vSphere Foundation","vendor":"VMware","versions":[{"status":"affected","version":"9.1.x.x"},{"status":"affected","version":"9.0.x.x"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/affected/1

{"defaultStatus":"unaffected","product":"ESX","vendor":"VMware","versions":[{"lessThan":"ESXi-9.1.0.0200-25557999","status":"affected","version":"9.1.x.x","versionType":"custom"},{"lessThan":"ESXi-9.0.2.0100-25595025","status":"affected","version":"9.0.x.x","versionType":"custom"},{"lessThan":"ESXi80U3k-25595708","status":"affected","version":"8.0","versionType":"custom"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/affected/2

{"defaultStatus":"unaffected","product":"Telco Cloud Platform","vendor":"VMware","versions":[{"status":"affected","version":"5.1.x"},{"status":"affected","version":"5.0.x"}]}

  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/affected/3

Affected products and versions

4 source assertions
{"defaultStatus":"unaffected","product":"Cloud Foundation","vendor":"VMware","versions":[{"status":"affected","version":"9.1.x.x"},{"status":"affected","version":"9.0.x.x"},{"status":"affected","version":"5.x"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/affected/0
{"defaultStatus":"unaffected","product":"vSphere Foundation","vendor":"VMware","versions":[{"status":"affected","version":"9.1.x.x"},{"status":"affected","version":"9.0.x.x"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/affected/1
{"defaultStatus":"unaffected","product":"ESX","vendor":"VMware","versions":[{"lessThan":"ESXi-9.1.0.0200-25557999","status":"affected","version":"9.1.x.x","versionType":"custom"},{"lessThan":"ESXi-9.0.2.0100-25595025","status":"affected","version":"9.0.x.x","versionType":"custom"},{"lessThan":"ESXi80U3k-25595708","status":"affected","version":"8.0","versionType":"custom"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/affected/2
{"defaultStatus":"unaffected","product":"Telco Cloud Platform","vendor":"VMware","versions":[{"status":"affected","version":"5.1.x"},{"status":"affected","version":"5.0.x"}]}
  • cve_program_cvelist_v5affected
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/affected/3

Provider-owned CVSS observations

1 source assertion
{"metric":{"attackComplexity":"LOW","attackVector":"LOCAL","availabilityImpact":"HIGH","baseScore":9.3,"baseSeverity":"CRITICAL","confidentialityImpact":"HIGH","integrityImpact":"HIGH","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"NONE","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H","version":"3.1"},"metric_type":"cvssV3_1"}
  • cve_program_cvelist_v5cvss
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/metrics/0/cvssV3_1

CWE assertions

1 source assertion
{"cweId":"CWE-787","description":"CWE-787 Out-of-bounds write","lang":"en","type":"CWE"}
  • cve_program_cvelist_v5cwe
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/problemTypes/0/descriptions/0

Source references

1 source assertion
{"url":"https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories/0/38017"}
  • cve_program_cvelist_v5reference
    urn:baitaphish:normalized-source-record:v2:dd204d1982ed47751e113d5ba32bdb4f784efdf6578eb5566810d19ddb3c7285 · sha256:cc4bb4b664f2ad84… · /containers/cna/references/0

Attribution and limitations

  • CVE Program CVEList V5: Reproduce the MITRE copyright designation and CVE license in copies. Source →

Provider severity values are preserved separately. Baitaphish does not convert them into a risk rating, infer affected products, or treat EPSS as observed exploitation.

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