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CVE-2020-16959 (GCVE-0-2020-16959)

Vulnerability from cvelistv5 – Published: 2020-12-09 23:36 – Updated: 2026-06-09 18:08
VLAI
Title
Windows Backup Engine Elevation of Privilege Vulnerability
Summary
Windows Backup Engine Elevation of Privilege Vulnerability
Severity
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
CWE
  • Elevation of Privilege
Assigner
References
Impacted products
Vendor Product Version CPE status
Microsoft Windows 10 Version 1507 Affected: 10.0.10240.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 1803 Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 1809 Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 1903 for 32-bit Systems Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 1903 for ARM64-based Systems Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 1903 for x64-based Systems Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 1909 Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 2004 Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 10 Version 20H2 Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows 7 Affected: 6.1.0 , < 6.1.7601.24563 (custom)
guessed Create a notification for this product.
Microsoft Windows 7 Service Pack 1 Affected: 6.1.0 , < 6.1.7601.24563 (custom)
guessed Create a notification for this product.
Microsoft Windows Server 2008 R2 Service Pack 1 Affected: 6.1.7601.0 , < 6.1.7601.24563 (custom)
guessed Create a notification for this product.
Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Affected: 6.1.7601.0 , < 6.1.7601.24563 (custom)
guessed Create a notification for this product.
Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows Server version 2004 Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows Server version 20H2 Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows Server, version 1903 (Server Core installation) Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Microsoft Windows Server, version 1909 (Server Core installation) Affected: 10.0.0 , < publication (custom)
guessed Create a notification for this product.
Date Public
2020-12-08 08:00
Show details on NVD website
To clipboard 

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      "descriptions": "[{\"lang\": \"en\", \"value\": \"Windows Backup Engine Elevation of Privilege Vulnerability\"}, {\"lang\": \"es\", \"value\": \"Vulnerabilidad de elevaci\\u00f3n de privilegios en el motor de copias de seguridad de Windows. Este ID de CVE es diferente de CVE-2020-16958, CVE-2020-16960, CVE-2020-16961, CVE-2020-16962, CVE-2020-16963, CVE-2020-16964\"}]",
      "id": "CVE-2020-16959",
      "lastModified": "2024-11-21T05:07:30.813",
      "metrics": "{\"cvssMetricV31\": [{\"source\": \"secure@microsoft.com\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}, {\"source\": \"nvd@nist.gov\", \"type\": \"Secondary\", \"cvssData\": {\"version\": \"3.1\", \"vectorString\": \"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H\", \"baseScore\": 7.8, \"baseSeverity\": \"HIGH\", \"attackVector\": \"LOCAL\", \"attackComplexity\": \"LOW\", \"privilegesRequired\": \"LOW\", \"userInteraction\": \"NONE\", \"scope\": \"UNCHANGED\", \"confidentialityImpact\": \"HIGH\", \"integrityImpact\": \"HIGH\", \"availabilityImpact\": \"HIGH\"}, \"exploitabilityScore\": 1.8, \"impactScore\": 5.9}], \"cvssMetricV2\": [{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"cvssData\": {\"version\": \"2.0\", \"vectorString\": \"AV:L/AC:L/Au:N/C:C/I:C/A:C\", \"baseScore\": 7.2, \"accessVector\": \"LOCAL\", \"accessComplexity\": \"LOW\", \"authentication\": \"NONE\", \"confidentialityImpact\": \"COMPLETE\", \"integrityImpact\": \"COMPLETE\", \"availabilityImpact\": \"COMPLETE\"}, \"baseSeverity\": \"HIGH\", \"exploitabilityScore\": 3.9, \"impactScore\": 10.0, \"acInsufInfo\": false, \"obtainAllPrivilege\": false, \"obtainUserPrivilege\": false, \"obtainOtherPrivilege\": false, \"userInteractionRequired\": false}]}",
      "published": "2020-12-10T00:15:13.307",
      "references": "[{\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16959\", \"source\": \"secure@microsoft.com\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}, {\"url\": \"https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-16959\", \"source\": \"af854a3a-2127-422b-91ae-364da2661108\", \"tags\": [\"Patch\", \"Vendor Advisory\"]}]",
      "sourceIdentifier": "secure@microsoft.com",
      "vulnStatus": "Modified",
      "weaknesses": "[{\"source\": \"nvd@nist.gov\", \"type\": \"Primary\", \"description\": [{\"lang\": \"en\", \"value\": \"NVD-CWE-noinfo\"}]}]"
    },
    "nvd": "{\"cve\":{\"id\":\"CVE-2020-16959\",\"sourceIdentifier\":\"secure@microsoft.com\",\"published\":\"2020-12-10T00:15:13.307\",\"lastModified\":\"2025-08-28T23:15:33.687\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"Windows Backup Engine Elevation of Privilege Vulnerability\"},{\"lang\":\"es\",\"value\":\"Vulnerabilidad de elevaci\u00f3n de privilegios en el motor de copias de seguridad de Windows. 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  }
}



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Taxonomy of the tags.





Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.


Detection rules are retrieved from Rulezet.


Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.