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CVE-2019-1340

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'. This CVE ID is unique from CVE-2019-1320, CVE-2019-1322.

CVSS

Exploitation probability (EPSS)

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

References

Raw JSON (NVD)

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{
  "id": "CVE-2019-1340",
  "cveTags": [],
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          "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C",
          "authentication": "NONE",
          "integrityImpact": "COMPLETE",
          "accessComplexity": "LOW",
          "availabilityImpact": "COMPLETE",
          "confidentialityImpact": "COMPLETE"
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        "impactScore": 10,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
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          "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
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          "confidentialityImpact": "HIGH"
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        "exploitabilityScore": 1.8
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  "affected": [
    {
      "source": "secure@microsoft.com",
      "affectedData": [
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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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              "status": "affected",
              "version": "10 Version 1709 for x64-based Systems"
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            {
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              "version": "10 Version 1803 for x64-based Systems"
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            {
              "status": "affected",
              "version": "10 Version 1803 for ARM64-based Systems"
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            {
              "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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        {
          "vendor": "Microsoft",
          "product": "Windows Server",
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              "status": "affected",
              "version": "version 1803  (Core Installation)"
            },
            {
              "status": "affected",
              "version": "2019"
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            {
              "status": "affected",
              "version": "2019  (Core installation)"
            }
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          "versions": [
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          "versions": [
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          "product": "Windows 10 Version 1903 for ARM64-based Systems",
          "versions": [
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          "product": "Windows Server, version 1903 (Server Core installation)",
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              "version": "unspecified"
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  ],
  "published": "2019-10-10T14:15:17.220",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1340",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1340",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
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      "description": [
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          "value": "NVD-CWE-noinfo"
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  ],
  "descriptions": [
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      "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'. This CVE ID is unique from CVE-2019-1320, CVE-2019-1322."
    },
    {
      "lang": "es",
      "value": "Se presenta 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 primero tendría que iniciar sesión en el sistema, también se conoce como \"Microsoft Windows Elevation of Privilege Vulnerability\". Este ID de CVE es diferente de CVE-2019-1320, CVE-2019-1322."
    }
  ],
  "lastModified": "2026-06-17T02:28:24.930",
  "configurations": [
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}