CVE-2025-55234 (GCVE-0-2025-55234)
Vulnerability from cvelistv5
Published
2025-09-09 17:01
Modified
2025-09-16 18:13
CWE
  • CWE-287 - Improper Authentication
Summary
SMB Server might be susceptible to relay attacks depending on the configuration. An attacker who successfully exploited these vulnerabilities could perform relay attacks and make the users subject to elevation of privilege attacks. The SMB Server already supports mechanisms for hardening against relay attacks: SMB Server signing SMB Server Extended Protection for Authentication (EPA) Microsoft is releasing this CVE to provide customers with audit capabilities to help them to assess their environment and to identify any potential device or software incompatibility issues before deploying SMB Server hardening measures that protect against relay attacks. If you have not already enabled SMB Server hardening measures, we advise customers to take the following actions to be protected from these relay attacks: Assess your environment by utilizing the audit capabilities that we are exposing in the September 2025 security updates. See Support for Audit Events to deploy SMB Server Hardening—SMB Server Signing & SMB Server EPA. Adopt appropriate SMB Server hardening measures.
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1809 Version: 10.0.17763.0   < 10.0.17763.7792
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   Microsoft Windows Server 2019 Version: 10.0.17763.0   < 10.0.17763.7792
Create a notification for this product.
   Microsoft Windows Server 2019 (Server Core installation) Version: 10.0.17763.0   < 10.0.17763.7792
Create a notification for this product.
   Microsoft Windows Server 2022 Version: 10.0.20348.0   < 10.0.20348.4171
Create a notification for this product.
   Microsoft Windows 10 Version 21H2 Version: 10.0.19044.0   < 10.0.19044.6332
Create a notification for this product.
   Microsoft Windows 11 version 22H2 Version: 10.0.22621.0   < 10.0.22621.5909
Create a notification for this product.
   Microsoft Windows 10 Version 22H2 Version: 10.0.19045.0   < 10.0.19045.6332
Create a notification for this product.
   Microsoft Windows Server 2025 (Server Core installation) Version: 10.0.26100.0   < 10.0.26100.6584
Create a notification for this product.
   Microsoft Windows 11 version 22H3 Version: 10.0.22631.0   < 10.0.22631.5909
Create a notification for this product.
   Microsoft Windows 11 Version 23H2 Version: 10.0.22631.0   < 10.0.22631.5909
Create a notification for this product.
   Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Version: 10.0.25398.0   < 10.0.25398.1849
Create a notification for this product.
   Microsoft Windows 11 Version 24H2 Version: 10.0.26100.0   < 10.0.26100.6584
Create a notification for this product.
   Microsoft Windows Server 2025 Version: 10.0.26100.0   < 10.0.26100.6584
Create a notification for this product.
   Microsoft Windows 10 Version 1507 Version: 10.0.10240.0   < 10.0.10240.21128
Create a notification for this product.
   Microsoft Windows 10 Version 1607 Version: 10.0.14393.0   < 10.0.14393.8422
Create a notification for this product.
   Microsoft Windows Server 2016 Version: 10.0.14393.0   < 10.0.14393.8422
Create a notification for this product.
   Microsoft Windows Server 2016 (Server Core installation) Version: 10.0.14393.0   < 10.0.14393.8422
Create a notification for this product.
   Microsoft Windows Server 2008 Service Pack 2 Version: 6.0.6003.0   < 6.0.6003.23529
Create a notification for this product.
   Microsoft Windows Server 2008 Service Pack 2 (Server Core installation) Version: 6.0.6003.0   < 6.0.6003.23529
Create a notification for this product.
   Microsoft Windows Server 2008 Service Pack 2 Version: 6.0.6003.0   < 6.0.6003.23529
Create a notification for this product.
   Microsoft Windows Server 2008 R2 Service Pack 1 Version: 6.1.7601.0   < 6.1.7601.27929
Create a notification for this product.
   Microsoft Windows Server 2008 R2 Service Pack 1 (Server Core installation) Version: 6.1.7601.0   < 6.1.7601.27929
Create a notification for this product.
   Microsoft Windows Server 2012 Version: 6.2.9200.0   < 6.2.9200.25675
Create a notification for this product.
   Microsoft Windows Server 2012 (Server Core installation) Version: 6.2.9200.0   < 6.2.9200.25675
Create a notification for this product.
   Microsoft Windows Server 2012 R2 Version: 6.3.9600.0   < 6.3.9600.22774
Create a notification for this product.
   Microsoft Windows Server 2012 R2 (Server Core installation) Version: 6.3.9600.0   < 6.3.9600.22774
Create a notification for this product.
Show details on NVD website


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      "cveMetadata": "{\"cveId\": \"CVE-2025-55234\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-09-12T00:49:22.594Z\", \"dateReserved\": \"2025-08-11T20:26:16.631Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2025-09-09T17:01:32.635Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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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.
  • 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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