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CVE-2020-0777

Status: ModifiedHigh (7.8)—

An elevation of privilege vulnerability exists when the Windows Work Folder Service improperly handles file operations, aka 'Windows Work Folder Service Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0797, CVE-2020-0800, CVE-2020-0864, CVE-2020-0865, CVE-2020-0866, CVE-2020-0897.

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 (8)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2020-0777",
  "cveTags": [],
  "metrics": {
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        "source": "nvd@nist.gov",
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          "vectorString": "AV:L/AC:L/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
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        "impactScore": 6.4,
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        "obtainAllPrivilege": false,
        "exploitabilityScore": 3.9,
        "obtainUserPrivilege": false,
        "obtainOtherPrivilege": false,
        "userInteractionRequired": false
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  "published": "2020-03-12T16:15:14.687",
  "references": [
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      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0777",
      "tags": [
        "Patch",
        "Vendor Advisory"
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      "source": "secure@microsoft.com"
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    {
      "url": "https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-0777",
      "tags": [
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      "source": "af854a3a-2127-422b-91ae-364da2661108"
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  "vulnStatus": "Modified",
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      "description": [
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          "value": "NVD-CWE-noinfo"
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      "lang": "en",
      "value": "An elevation of privilege vulnerability exists when the Windows Work Folder Service improperly handles file operations, aka 'Windows Work Folder Service Elevation of Privilege Vulnerability'. This CVE ID is unique from CVE-2020-0797, CVE-2020-0800, CVE-2020-0864, CVE-2020-0865, CVE-2020-0866, CVE-2020-0897."
    },
    {
      "lang": "es",
      "value": "Se presenta una vulnerabilidad de elevación de privilegios cuando el Windows Work Folder Service maneja inapropiadamente las operaciones de archivos, también se conoce como \"Windows Work Folder Service Elevation of Privilege Vulnerability\". Este ID de CVE es diferente de CVE-2020-0797, CVE-2020-0800, CVE-2020-0864, CVE-2020-0865, CVE-2020-0866, CVE-2020-0897."
    }
  ],
  "lastModified": "2026-06-17T02:46:35.297",
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}