CVE-2019-0553
Status: ModifiedMedium (5.5)—
An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory, aka "Windows Subsystem for Linux Information Disclosure Vulnerability." This affects Windows 10 Servers, Windows 10, Windows Server 2019.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
- Base score: 5.5
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.81%
- Percentile among all scored CVEs: 78
- 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
- NVD-CWE-noinfo
References
Raw JSON (NVD)
Show
{
"id": "CVE-2019-0553",
"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:P/I:N/A:N",
"authentication": "NONE",
"integrityImpact": "NONE",
"accessComplexity": "LOW",
"availabilityImpact": "NONE",
"confidentialityImpact": "PARTIAL"
},
"acInsufInfo": false,
"impactScore": 2.9,
"baseSeverity": "LOW",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
"obtainUserPrivilege": false,
"obtainOtherPrivilege": false,
"userInteractionRequired": false
}
],
"cvssMetricV30": [
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"type": "Primary",
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"cvssData": {
"scope": "UNCHANGED",
"version": "3.0",
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"attackVector": "LOCAL",
"baseSeverity": "MEDIUM",
"vectorString": "CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N",
"integrityImpact": "NONE",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "NONE",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 3.6,
"exploitabilityScore": 1.8
}
]
},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows 10 Servers",
"versions": [
{
"status": "affected",
"version": "version 1709 (Server Core Installation)"
},
{
"status": "affected",
"version": "version 1803 (Server Core Installation)"
}
]
},
{
"vendor": "Microsoft",
"product": "Windows 10",
"versions": [
{
"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)"
}
]
}
]
}
],
"published": "2019-01-08T21:29:00.923",
"references": [
{
"url": "http://www.securityfocus.com/bid/106412",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0553",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "http://www.securityfocus.com/bid/106412",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0553",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "af854a3a-2127-422b-91ae-364da2661108"
}
],
"vulnStatus": "Modified",
"weaknesses": [
{
"type": "Primary",
"source": "nvd@nist.gov",
"description": [
{
"lang": "en",
"value": "NVD-CWE-noinfo"
}
]
}
],
"descriptions": [
{
"lang": "en",
"value": "An information disclosure vulnerability exists when Windows Subsystem for Linux improperly handles objects in memory, aka \"Windows Subsystem for Linux Information Disclosure Vulnerability.\" This affects Windows 10 Servers, Windows 10, Windows Server 2019."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad de divulgación de información cuando Windows Subsystem para Linux gestiona indebidamente los objetos en memoria. Esto también se conoce como \"Windows Subsystem for Linux Information Disclosure Vulnerability.\" Esto afecta a Windows 10 Servers, Windows 10 y Windows Server 2019."
}
],
"lastModified": "2026-06-17T02:08:23.657",
"configurations": [
{
"nodes": [
{
"negate": false,
"cpeMatch": [
{
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"vulnerable": true,
"matchCriteriaId": "AEE2E768-0F45-46E1-B6D7-087917109D98"
},
{
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{
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"matchCriteriaId": "7CB85C75-4D35-480E-843D-60579EC75FCB"
},
{
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"matchCriteriaId": "6B8F3DD2-A145-4AF1-8545-CC42892DA3D1"
},
{
"criteria": "cpe:2.3:o:microsoft:windows_server_2016:1709:*:*:*:*:*:*:*",
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"matchCriteriaId": "5B454BFE-D3AB-4CDC-B79B-F60EA3F57DBA"
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{
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"matchCriteriaId": "CAACE735-003E-4ACB-A82E-C0CF97D7F013"
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{
"criteria": "cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*",
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"matchCriteriaId": "DB79EE26-FC32-417D-A49C-A1A63165A968"
}
],
"operator": "OR"
}
]
}
],
"sourceIdentifier": "secure@microsoft.com"
}