{
  "schemaVersion": 1,
  "attribution": [
    {
      "source": "CISA Known Exploited Vulnerabilities",
      "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog",
      "licence": "US government work"
    },
    {
      "source": "GitHub Advisory Database",
      "url": "https://github.com/advisories",
      "licence": "CC BY 4.0"
    },
    {
      "source": "Have I Been Pwned",
      "url": "https://haveibeenpwned.com/",
      "licence": "CC BY 4.0"
    },
    {
      "source": "CVE Program (CVE records)",
      "url": "https://www.cve.org/Legal/TermsOfUse",
      "licence": "CVE Terms of Use",
      "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.",
      "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy."
    },
    {
      "source": "FIRST EPSS",
      "url": "https://www.first.org/epss/",
      "licence": "free to use; FIRST requests attribution"
    }
  ],
  "record": {
    "id": "CVE-2020-0638",
    "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2020-0638",
    "idYear": 2020,
    "status": "PUBLISHED",
    "publishedAt": "2020-01-14T23:11:35.000Z",
    "updatedAt": "2026-08-12T03:56:03.563Z",
    "importedAt": "2026-10-24T01:56:12.831Z",
    "snapshot": {
      "id": "cve_2026-10-24_midnight_baseline",
      "at": "2026-10-24T00:00:00.000Z",
      "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z"
    },
    "facts": {
      "title": null,
      "summary": "An elevation of privilege vulnerability exists in the way the Update Notification Manager handles files.To exploit this vulnerability, an attacker would first have to gain execution on the victim system, aka 'Update Notification Manager Elevation of Privilege Vulnerability'.",
      "affected": [
        {
          "vendor": "Microsoft",
          "product": "Windows",
          "versions": [
            {
              "version": "10 Version 1709 for 32-bit Systems",
              "status": "affected"
            },
            {
              "version": "10 Version 1803 for 32-bit Systems",
              "status": "affected"
            },
            {
              "version": "10 Version 1809 for ARM64-based Systems",
              "status": "affected"
            },
            {
              "version": "10 Version 1803 for x64-based Systems",
              "status": "affected"
            },
            {
              "version": "10 Version 1709 for ARM64-based Systems",
              "status": "affected"
            },
            {
              "version": "10 Version 1709 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"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1903 for ARM64-based Systems",
          "versions": [
            {
              "version": "unspecified",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1903 for 32-bit Systems",
          "versions": [
            {
              "version": "unspecified",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1903 for x64-based Systems",
          "versions": [
            {
              "version": "unspecified",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server",
          "versions": [
            {
              "version": "2019",
              "status": "affected"
            },
            {
              "version": "2019  (Core installation)",
              "status": "affected"
            },
            {
              "version": "version 1803  (Core Installation)",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server, version 1903 (Server Core installation)",
          "versions": [
            {
              "version": "unspecified",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1909 for 32-bit Systems",
          "versions": [
            {
              "version": "unspecified",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1909 for x64-based Systems",
          "versions": [
            {
              "version": "unspecified",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows Server, version 1909 (Server Core installation)",
          "versions": [
            {
              "version": "unspecified",
              "status": "affected"
            }
          ]
        },
        {
          "vendor": "Microsoft",
          "product": "Windows 10 Version 1909 for ARM64-based Systems",
          "versions": [
            {
              "version": "unspecified",
              "status": "affected"
            }
          ]
        }
      ]
    }
  }
}