CVE-2019-0766
Status: ModifiedHigh (7.8)—
An elevation of privilege vulnerability exists in Windows AppX Deployment Server that allows file creation in arbitrary locations. To exploit the vulnerability, an attacker would first have to log on to the system, aka 'Microsoft Windows Elevation of Privilege Vulnerability'.
CVSS
- Version: 3.0
- Vector: CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- Base score: 7.8
Exploitation probability (EPSS)
- Probability of exploitation in the next 30 days: 1.08%
- Percentile among all scored CVEs: 65
- Score date: 10/19/2026
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-2019-0766",
"cveTags": [],
"metrics": {
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"source": "nvd@nist.gov",
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"accessVector": "LOCAL",
"vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
"authentication": "NONE",
"integrityImpact": "COMPLETE",
"accessComplexity": "LOW",
"availabilityImpact": "COMPLETE",
"confidentialityImpact": "COMPLETE"
},
"acInsufInfo": false,
"impactScore": 10,
"baseSeverity": "HIGH",
"obtainAllPrivilege": false,
"exploitabilityScore": 3.9,
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"integrityImpact": "HIGH",
"userInteraction": "NONE",
"attackComplexity": "LOW",
"availabilityImpact": "HIGH",
"privilegesRequired": "LOW",
"confidentialityImpact": "HIGH"
},
"impactScore": 5.9,
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}
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},
"affected": [
{
"source": "secure@microsoft.com",
"affectedData": [
{
"vendor": "Microsoft",
"product": "Windows Server",
"versions": [
{
"status": "affected",
"version": "2016"
},
{
"status": "affected",
"version": "2016 (Core installation)"
},
{
"status": "affected",
"version": "version 1709 (Core Installation)"
},
{
"status": "affected",
"version": "version 1803 (Core Installation)"
},
{
"status": "affected",
"version": "2019"
},
{
"status": "affected",
"version": "2019 (Core installation)"
}
]
},
{
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"product": "Windows",
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},
{
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"version": "10 Version 1607 for x64-based Systems"
},
{
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"version": "10 Version 1703 for 32-bit Systems"
},
{
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"version": "10 Version 1703 for x64-based Systems"
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{
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"version": "10 Version 1709 for 32-bit Systems"
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{
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"version": "10 Version 1709 for x64-based Systems"
},
{
"status": "affected",
"version": "10 Version 1803 for 32-bit Systems"
},
{
"status": "affected",
"version": "10 Version 1803 for x64-based Systems"
},
{
"status": "affected",
"version": "10 Version 1803 for ARM64-based Systems"
},
{
"status": "affected",
"version": "10 Version 1809 for 32-bit Systems"
},
{
"status": "affected",
"version": "10 Version 1809 for x64-based Systems"
},
{
"status": "affected",
"version": "10 Version 1809 for ARM64-based Systems"
},
{
"status": "affected",
"version": "10 Version 1709 for ARM64-based Systems"
}
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}
]
}
],
"published": "2019-04-09T02:29:00.850",
"references": [
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0766",
"tags": [
"Patch",
"Vendor Advisory"
],
"source": "secure@microsoft.com"
},
{
"url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-0766",
"tags": [
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"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 elevation of privilege vulnerability exists in Windows AppX Deployment Server that allows file creation in arbitrary locations. To exploit the vulnerability, an attacker would first have to log on to the system, aka 'Microsoft Windows Elevation of Privilege Vulnerability'."
},
{
"lang": "es",
"value": "Existe una vulnerabilidad de elevación de privilegios en Windows AppX Deployment Server, que permite la creación de archivos en ubicaciones arbitrarias. Para explotar la vulnerabilidad, un atacante tendría primero que iniciar sesión en el sistema, también se conoce como \"Microsoft Windows Elevation of Privilege Vulnerability\"."
}
],
"lastModified": "2026-06-17T02:08:51.743",
"configurations": [
{
"nodes": [
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"sourceIdentifier": "secure@microsoft.com"
}