CVE-2018-8444
Status: ModifiedMedium (5.9)—
An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 2.0 (SMBv2) server handles certain requests, aka "Windows SMB Information Disclosure Vulnerability." This affects Windows Server 2012, Windows 10, Windows 8.1, Windows RT 8.1, Windows Server 2012 R2.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:N
- Base score: 5.9
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 5.86%
- Percentile among all scored CVEs: 93
- Score date: 10/9/2026
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 (4)
CWEs
- CWE-200
References
Raw JSON (NVD)
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{
"id": "CVE-2018-8444",
"cveTags": [],
"metrics": {
"cvssMetricV2": [
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"type": "Primary",
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"accessVector": "NETWORK",
"vectorString": "AV:N/AC:M/Au:N/C:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "MEDIUM",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
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"impactScore": 2.9,
"baseSeverity": "MEDIUM",
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"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows Server 2012",
"versions": [
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"vendor": "Microsoft",
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"published": "2018-09-13T00:29:04.833",
"references": [
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"url": "http://www.securityfocus.com/bid/105226",
"tags": [
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"source": "secure@microsoft.com"
},
{
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{
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"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
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"tags": [
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"source": "af854a3a-2127-422b-91ae-364da2661108"
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"vulnStatus": "Modified",
"weaknesses": [
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"source": "nvd@nist.gov",
"description": [
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"value": "CWE-200"
}
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],
"descriptions": [
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"lang": "en",
"value": "An information disclosure vulnerability exists in the way that the Microsoft Server Message Block 2.0 (SMBv2) server handles certain requests, aka \"Windows SMB Information Disclosure Vulnerability.\" This affects Windows Server 2012, Windows 10, Windows 8.1, Windows RT 8.1, Windows Server 2012 R2."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad de divulgación de información en la forma en la que el servidor SMBv2 (Microsoft Server Message Block 2.0) gestiona determinadas peticiones. Esto también se conoce como \"Windows SMB Information Disclosure Vulnerability\". Esto afecta a Windows Server 2012, Windows 10, Windows 8.1, Windows RT 8.1 y Windows Server 2012 R2."
}
],
"lastModified": "2026-06-17T02:04:53.337",
"configurations": [
{
"nodes": [
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"sourceIdentifier": "secure@microsoft.com"
}