CVE-2026-32073 (GCVE-0-2026-32073)
Vulnerability from cvelistv5
Published
2026-04-14 16:57
Modified
2026-04-15 10:33
CWE
Summary
Use after free in Windows Ancillary Function Driver for WinSock allows an authorized attacker to elevate privileges locally.
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1607 Version: 10.0.14393.0   < 10.0.14393.9060
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   Microsoft Windows 10 Version 1809 Version: 10.0.17763.0   < 10.0.17763.8644
Create a notification for this product.
   Microsoft Windows 10 Version 21H2 Version: 10.0.19044.0   < 10.0.19044.7184
Create a notification for this product.
   Microsoft Windows 10 Version 22H2 Version: 10.0.19045.0   < 10.0.19045.7184
Create a notification for this product.
   Microsoft Windows 11 version 22H3 Version: 10.0.22631.0   < 10.0.22631.6936
Create a notification for this product.
   Microsoft Windows 11 Version 23H2 Version: 10.0.22631.0   < 10.0.22631.6936
Create a notification for this product.
   Microsoft Windows 11 Version 24H2 Version: 10.0.26100.0   < 10.0.26100.32690
Create a notification for this product.
   Microsoft Windows 11 Version 25H2 Version: 10.0.26200.0   < 10.0.26200.8246
Create a notification for this product.
   Microsoft Windows 11 version 26H1 Version: 10.0.28000.0   < 10.0.28000.1836
Create a notification for this product.
   Microsoft Windows Server 2012 Version: 6.2.9200.0   < 6.2.9200.26026
Create a notification for this product.
   Microsoft Windows Server 2012 (Server Core installation) Version: 6.2.9200.0   < 6.2.9200.26026
Create a notification for this product.
   Microsoft Windows Server 2012 R2 Version: 6.3.9600.0   < 6.3.9600.23132
Create a notification for this product.
   Microsoft Windows Server 2012 R2 (Server Core installation) Version: 6.3.9600.0   < 6.3.9600.23132
Create a notification for this product.
   Microsoft Windows Server 2016 Version: 10.0.14393.0   < 10.0.14393.9060
Create a notification for this product.
   Microsoft Windows Server 2016 (Server Core installation) Version: 10.0.14393.0   < 10.0.14393.9060
Create a notification for this product.
   Microsoft Windows Server 2019 Version: 10.0.17763.0   < 10.0.17763.8644
Create a notification for this product.
   Microsoft Windows Server 2019 (Server Core installation) Version: 10.0.17763.0   < 10.0.17763.8644
Create a notification for this product.
   Microsoft Windows Server 2022 Version: 10.0.20348.0   < 10.0.20348.5020
Create a notification for this product.
   Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Version: 10.0.25398.0   < 10.0.25398.2274
Create a notification for this product.
   Microsoft Windows Server 2025 Version: 10.0.26100.0   < 10.0.26100.32690
Create a notification for this product.
   Microsoft Windows Server 2025 (Server Core installation) Version: 10.0.26100.0   < 10.0.26100.32690
Create a notification for this product.
Show details on NVD website


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\"cpe:2.3:o:microsoft:windows_server_2012_R2:*:*:*:*:*:*:x64:*\", \"vulnerable\": true, \"versionEndExcluding\": \"6.3.9600.23132\", \"versionStartIncluding\": \"6.3.9600.0\"}, {\"criteria\": \"cpe:2.3:o:microsoft:windows_11_26H1:*:*:*:*:*:*:arm64:*\", \"vulnerable\": true, \"versionEndExcluding\": \"10.0.28000.1836\", \"versionStartIncluding\": \"10.0.28000.0\"}], \"operator\": \"OR\"}]}], \"providerMetadata\": {\"orgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"shortName\": \"microsoft\", \"dateUpdated\": \"2026-04-14T16:57:18.366Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2026-32073\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-04-15T10:33:45.318Z\", \"dateReserved\": \"2026-03-10T22:02:18.666Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2026-04-14T16:57:18.366Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
  • Confirmed: The vulnerability is confirmed from an analyst perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • 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.
  • Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
  • 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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