CVE-2021-38638 (GCVE-0-2021-38638)
Vulnerability from cvelistv5
Published
2021-09-15 11:23
Modified
2025-07-24 03:55
CWE
  • Elevation of Privilege
Summary
Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1809 Version: 10.0.0   < 10.0.17763.2183
    cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2183:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2183:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_1809:10.0.17763.2183:*:*:*:*:*:arm64:*
Create a notification for this product.
   Microsoft Windows Server 2019 Version: 10.0.0   < 10.0.17763.2183
    cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2183:*:*:*:*:*:*:*
Create a notification for this product.
   Microsoft Windows Server 2019 (Server Core installation) Version: 10.0.0   < 10.0.17763.2183
    cpe:2.3:o:microsoft:windows_server_2019:10.0.17763.2183:*:*:*:*:*:*:*
Create a notification for this product.
   Microsoft Windows 10 Version 1909 Version: 10.0.0   < 10.0.18363.1801
    cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1801:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1909:10.0.18363.1801:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_1809:10.0.18363.1801:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows 10 Version 21H1 Version: 10.0.0   < 10.0.19043.1237
    cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1237:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1237:*:*:*:*:*:arm64:*
    cpe:2.3:o:microsoft:windows_10_21H1:10.0.19043.1237:*:*:*:*:*:x86:*
Create a notification for this product.
   Microsoft Windows Server 2022 Version: 10.0.0   < 10.0.20348.230
    cpe:2.3:o:microsoft:windows_server_2022:10.0.20348.230:*:*:*:*:*:*:*
Create a notification for this product.
   Microsoft Windows 10 Version 2004 Version: 10.0.0   < 10.0.19041.1237
    cpe:2.3:o:microsoft:windows_10_1809:10.0.19041.1237:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows Server version 2004 Version: 10.0.0   < 10.0.19041.1237
    cpe:2.3:o:microsoft:windows_server_2004:10.0.19041.1237:*:*:*:*:*:*:*
Create a notification for this product.
   Microsoft Windows 10 Version 20H2 Version: 10.0.0   < 10.0.19042.1237
    cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1237:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_20H2:10.0.19042.1237:*:*:*:*:*:arm64:*
Create a notification for this product.
   Microsoft Windows Server version 20H2 Version: 10.0.0   < 10.0.19042.1237
    cpe:2.3:o:microsoft:windows_server_20H2:10.0.19042.1237:*:*:*:*:*:*:*
Create a notification for this product.
   Microsoft Windows 10 Version 1507 Version: 10.0.0   < 10.0.10240.19060
    cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19060:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1507:10.0.10240.19060:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows 10 Version 1607 Version: 10.0.0   < 10.0.14393.4651
    cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4651:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_10_1607:10.0.14393.4651:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows Server 2016 Version: 10.0.0   < 10.0.14393.4651
    cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4651:*:*:*:*:*:*:*
Create a notification for this product.
   Microsoft Windows Server 2016 (Server Core installation) Version: 10.0.0   < 10.0.14393.4651
    cpe:2.3:o:microsoft:windows_server_2016:10.0.14393.4651:*:*:*:*:*:*:*
Create a notification for this product.
   Microsoft Windows 7 Version: 6.1.0   < 6.1.7601.25712
    cpe:2.3:o:microsoft:windows_7:6.1.7601.25712:sp1:*:*:*:*:x86:*
Create a notification for this product.
   Microsoft Windows 7 Service Pack 1 Version: 6.1.0   < 6.1.7601.25712
    cpe:2.3:o:microsoft:windows_7:6.1.7601.25712:sp1:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows 8.1 Version: 6.3.0   < 6.3.9600.20120
    cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20120:*:*:*:*:*:x86:*
    cpe:2.3:o:microsoft:windows_8.1:6.3.9600.20120:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_rt_8.1:6.3.9600.20120:*:*:*:*:*:*:*
Create a notification for this product.
   Microsoft Windows Server 2008 Service Pack 2 Version: 6.0.0   < 6.0.6003.21218
    cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21218:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) Version: 6.0.0   < 6.0.6003.21218
    cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21218:*:*:*:*:*:x64:*
    cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21218:*:*:*:*:*:x86:*
Create a notification for this product.
   Microsoft Windows Server 2008 Service Pack 2 Version: 6.0.0   < 6.0.6003.21218
    cpe:2.3:o:microsoft:windows_server_2008_sp2:6.0.6003.21218:*:*:*:*:*:x86:*
Create a notification for this product.
   Microsoft Windows Server 2008 R2 Service Pack 1 Version: 6.1.0   < 6.1.7601.25712
    cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25712:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Version: 6.0.0   < 6.1.7601.25712
    cpe:2.3:o:microsoft:windows_server_2008_R2:6.1.7601.25712:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows Server 2012 Version: 6.2.0   < 6.2.9200.23462
    cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23462:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows Server 2012 (Server Core installation) Version: 6.2.0   < 6.2.9200.23462
    cpe:2.3:o:microsoft:windows_server_2012:6.2.9200.23462:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows Server 2012 R2 Version: 6.3.0   < 6.3.9600.20120
    cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20120:*:*:*:*:*:x64:*
Create a notification for this product.
   Microsoft Windows Server 2012 R2 (Server Core installation) Version: 6.3.0   < 6.3.9600.20120
    cpe:2.3:o:microsoft:windows_server_2012_R2:6.3.9600.20120:*:*:*:*:*:x64:*
Create a notification for this product.
Show details on NVD website


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      ],
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    "dateReserved": "2021-08-13T00:00:00.000Z",
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      "cveMetadata": "{\"cveId\": \"CVE-2021-38638\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-12-16T18:05:18.371Z\", \"dateReserved\": \"2021-08-13T00:00:00.000Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2021-09-15T11:23:59.000Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
  • Patched: This vulnerability was successfully patched by the user reporting the sighting.
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  • Not confirmed: The user expresses doubt about the veracity of the vulnerability.
  • Not patched: This vulnerability was not successfully patched by the user reporting the sighting.


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