CVE-2018-8612
Status: ModifiedMedium (5.5)—
A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values, aka "Connected User Experiences and Telemetry Service Denial of Service Vulnerability." This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Base score: 5.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.42%
- Percentile among all scored CVEs: 72
- Score date: 10/18/2026
EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).
Affected technologies (3)
CWEs
- CWE-20
References
Raw JSON (NVD)
Show
{
"id": "CVE-2018-8612",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"version": "2.0",
"baseScore": 2.1,
"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:N/I:N/A:P",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "PARTIAL",
"confidentialityImpact": "NONE"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
"baseScore": 5.5,
"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "NONE"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows Server 2016",
"versions": [
{
"status": "affected",
"version": "(Server Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows 10",
"versions": [
{
"status": "affected",
"version": "Version 1607 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1607 for x64-based Systems"
},
{
"status": "affected",
"version": "Version 1703 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1703 for x64-based Systems"
},
{
"status": "affected",
"version": "Version 1709 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1709 for ARM64-based Systems"
},
{
"status": "affected",
"version": "Version 1709 for x64-based Systems"
},
{
"status": "affected",
"version": "Version 1803 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1803 for ARM64-based Systems"
},
{
"status": "affected",
"version": "Version 1803 for x64-based Systems"
},
{
"status": "affected",
"version": "Version 1809 for 32-bit Systems"
},
{
"status": "affected",
"version": "Version 1809 for ARM64-based Systems"
},
{
"status": "affected",
"version": "Version 1809 for x64-based Systems"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows Server 2019",
"versions": [
{
"status": "affected",
"version": "(Server Core installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows 10 Servers",
"versions": [
{
"status": "affected",
"version": "version 1709 (Server Core Installation)"
},
{
"status": "affected",
"version": "version 1803 (Server Core Installation)"
}
]
}
]
}
],
"published": "2018-12-12T00:29:00.997",
"references": [
{
"url": "http://www.securityfocus.com/bid/106087",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8612",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securityfocus.com/bid/106087",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8612",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "CWE-20"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "A Denial Of Service vulnerability exists when Connected User Experiences and Telemetry Service fails to validate certain function values, aka \"Connected User Experiences and Telemetry Service Denial of Service Vulnerability.\" This affects Windows Server 2016, Windows 10, Windows Server 2019, Windows 10 Servers."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad de denegación de servicio (DoS) cuando Connected User Experiences and Telemetry Service no valida ciertos valores de función. Esto también se conoce como \"Connected User Experiences and Telemetry Service Denial of Service Vulnerability\". Esto afecta a Windows Server 2016, Windows 10, Windows Server 2019 y Windows 10 Servers."
}
],
"lastModified": "2026-06-17T02:05:11.903",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1607:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "E01A4CCA-4C43-46E0-90E6-3E4DBFBACD64"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1703:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "AEE2E768-0F45-46E1-B6D7-087917109D98"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1709:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "83B14968-3985-43C3-ACE5-8307196EFAE3"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1803:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "7CB85C75-4D35-480E-843D-60579EC75FCB"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_10:1809:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "6B8F3DD2-A145-4AF1-8545-CC42892DA3D1"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "041FF8BA-0B12-4A1F-B4BF-9C4F33B7C1E7"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "5B454BFE-D3AB-4CDC-B79B-F60EA3F57DBA"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:1803:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "CAACE735-003E-4ACB-A82E-C0CF97D7F013"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
"vulnerable": true,
"matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}