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CVE-2019-1091

Estado: ModificadaMedia (5.5)—

Existe una vulnerabilidad de divulgación de información cuando Unistore.dll no puede manejar correctamente los objetos en la memoria, también se conoce como 'Microsoft unistore.dll Information Disclosure Vulnerability'.

CVSS

Probabilidad de explotación (EPSS)

EPSS (Exploit Prediction Scoring System, de FIRST) estima la probabilidad de que una vulnerabilidad sea explotada en 30 días. Complementa a CVSS (impacto) y a CISA KEV (explotación confirmada).

Tecnologías afectadas (3)

CWE

Referencias

JSON original (NVD)

Mostrar
{
  "id": "CVE-2019-1091",
  "cveTags": [],
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        "source": "nvd@nist.gov",
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          "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
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    "cvssMetricV30": [
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          "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"
        },
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        "exploitabilityScore": 1.8
      }
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  },
  "affected": [
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      "affectedData": [
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          "vendor": "Microsoft",
          "product": "Windows",
          "versions": [
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              "status": "affected",
              "version": "10 for 32-bit Systems"
            },
            {
              "status": "affected",
              "version": "10 for x64-based Systems"
            },
            {
              "status": "affected",
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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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            {
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              "version": "10 Version 1709 for 32-bit Systems"
            },
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            {
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              "version": "10 Version 1809 for 32-bit Systems"
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              "status": "affected",
              "version": "10 Version 1809 for x64-based Systems"
            },
            {
              "status": "affected",
              "version": "10 Version 1809 for ARM64-based Systems"
            },
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              "version": "10 Version 1709 for ARM64-based Systems"
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        {
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          "product": "Windows Server",
          "versions": [
            {
              "status": "affected",
              "version": "2016"
            },
            {
              "status": "affected",
              "version": "2016  (Core installation)"
            },
            {
              "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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        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1903 for 32-bit Systems",
          "versions": [
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              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
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          "vendor": "Microsoft",
          "product": "Windows 10 Version 1903 for x64-based Systems",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
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          "vendor": "Microsoft",
          "product": "Windows 10 Version 1903 for ARM64-based Systems",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server, version 1903 (Server Core installation)",
          "versions": [
            {
              "status": "affected",
              "version": "unspecified"
            }
          ]
        }
      ]
    }
  ],
  "published": "2019-07-15T19:15:18.497",
  "references": [
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1091",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "secure@microsoft.com"
    },
    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1091",
      "tags": [
        "Patch",
        "Vendor Advisory"
      ],
      "source": "af854a3a-2127-422b-91ae-364da2661108"
    }
  ],
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "type": "Primary",
      "source": "nvd@nist.gov",
      "description": [
        {
          "lang": "en",
          "value": "CWE-200"
        }
      ]
    }
  ],
  "descriptions": [
    {
      "lang": "en",
      "value": "An information disclosure vulnerability exists when Unistore.dll fails to properly handle objects in memory, aka 'Microsoft unistore.dll Information Disclosure Vulnerability'."
    },
    {
      "lang": "es",
      "value": "Existe una vulnerabilidad de divulgación de información cuando Unistore.dll no puede manejar correctamente los objetos en la memoria, también se conoce como 'Microsoft unistore.dll Information Disclosure Vulnerability'."
    }
  ],
  "lastModified": "2026-06-17T02:27:48.473",
  "configurations": [
    {
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  "sourceIdentifier": "secure@microsoft.com"
}