CVE-2026-83862
Full vulnerability record from the local CVENow database.
Description
Use after free in Windows Network Load Balancing allows an unauthorized attacker to execute code over an adjacent network.
Severity
HIGH
CVSS score
8.8
(v3.1)
Vulnerability status
Modified
Source identifier
Published
2026-10-13 19:20:35.520000
Last modified
2026-10-23 18:18:27.063000
View original CVE JSON
{
"id": "CVE-2026-83862",
"sourceIdentifier": "[email protected]",
"published": "2026-10-13T19:20:35.520",
"lastModified": "2026-10-23T18:18:27.063",
"vulnStatus": "Modified",
"cveTags": [],
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{
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}
],
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{
"source": "[email protected]",
"affectedData": [
{
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"product": "Windows 10 Version 1607",
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{
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},
{
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},
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},
{
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},
{
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},
{
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],
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},
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],
"metrics": {
"cvssMetricV31": [
{
"source": "[email protected]",
"type": "Primary",
"cvssData": {
"version": "3.1",
"vectorString": "CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"baseScore": 8.8,
"baseSeverity": "HIGH",
"attackVector": "ADJACENT_NETWORK",
"attackComplexity": "LOW",
"privilegesRequired": "NONE",
"userInteraction": "NONE",
"scope": "UNCHANGED",
"confidentialityImpact": "HIGH",
"integrityImpact": "HIGH",
"availabilityImpact": "HIGH"
},
"exploitabilityScore": 2.8,
"impactScore": 5.9
}
],
"ssvcV203": [
{
"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"ssvcData": {
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"id": "CVE-2026-83862",
"options": [
{
"exploitation": "none"
},
{
"automatable": "yes"
},
{
"technicalImpact": "total"
}
],
"role": "CISA Coordinator",
"version": "2.0.3"
}
}
]
},
"weaknesses": [
{
"source": "[email protected]",
"type": "Secondary",
"description": [
{
"lang": "en",
"value": "CWE-416"
}
]
}
],
"configurations": [
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"nodes": [
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"negate": false,
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"references": [
{
"url": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-83862",
"source": "[email protected]",
"tags": [
"Patch",
"Vendor Advisory"
]
}
]
}