CVE-2025-49751 (GCVE-0-2025-49751)

Vulnerability from cvelistv5 – Published: 2025-08-12 17:09 – Updated: 2025-11-10 00:11
VLAI?
Summary
Missing synchronization in Windows Hyper-V allows an authorized attacker to deny service over an adjacent network.
Severity ?
6.8 (Medium)
CVSS:3.1/AV:A/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H/E:U/RL:O/RC:C
CWE
  • CWE-820 - Missing Synchronization
Assigner
References
Impacted products
Vendor Product Version
Microsoft Windows 10 Version 1809 Affected: 10.0.17763.0 , < 10.0.17763.7678 (custom)
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    Microsoft Windows Server 2019 Affected: 10.0.17763.0 , < 10.0.17763.7678 (custom)
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    Microsoft Windows Server 2019 (Server Core installation) Affected: 10.0.17763.0 , < 10.0.17763.7678 (custom)
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    Microsoft Windows Server 2022 Affected: 10.0.20348.0 , < 10.0.20348.4052 (custom)
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    Microsoft Windows 10 Version 21H2 Affected: 10.0.19044.0 , < 10.0.19044.6216 (custom)
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    Microsoft Windows 11 version 22H2 Affected: 10.0.22621.0 , < 10.0.22621.5768 (custom)
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    Microsoft Windows 10 Version 22H2 Affected: 10.0.19045.0 , < 10.0.19045.6216 (custom)
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    Microsoft Windows Server 2025 (Server Core installation) Affected: 10.0.26100.0 , < 10.0.26100.4946 (custom)
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    Microsoft Windows 11 version 22H3 Affected: 10.0.22631.0 , < 10.0.22631.5768 (custom)
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    Microsoft Windows 11 Version 23H2 Affected: 10.0.22631.0 , < 10.0.22631.5768 (custom)
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    Microsoft Windows Server 2022, 23H2 Edition (Server Core installation) Affected: 10.0.25398.0 , < 10.0.25398.1791 (custom)
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    Microsoft Windows 11 Version 24H2 Affected: 10.0.26100.0 , < 10.0.26100.4946 (custom)
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    Microsoft Windows Server 2025 Affected: 10.0.26100.0 , < 10.0.26100.4946 (custom)
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    Microsoft Windows 10 Version 1607 Affected: 10.0.14393.0 , < 10.0.14393.8330 (custom)
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    Microsoft Windows Server 2016 Affected: 10.0.14393.0 , < 10.0.14393.8330 (custom)
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    Microsoft Windows Server 2016 (Server Core installation) Affected: 10.0.14393.0 , < 10.0.14393.8330 (custom)
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      "cveMetadata": "{\"cveId\": \"CVE-2025-49751\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-11-10T00:11:42.068Z\", \"dateReserved\": \"2025-06-09T22:49:37.619Z\", \"assignerOrgId\": \"f38d906d-7342-40ea-92c1-6c4a2c6478c8\", \"datePublished\": \"2025-08-12T17:09:41.010Z\", \"assignerShortName\": \"microsoft\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.2"
    }
  }
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.