{
  "cveId": "CVE-2018-8335",
  "url": "https://patchblox.com/security/cve/CVE-2018-8335",
  "summary": "CVE-2018-8335 is fixed in 21 products on 1 platform, first by KB4457131, released September 11, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Windows SMB Denial of Service Vulnerability",
  "description": "\u003Cp\u003EA denial of service vulnerability exists in the Microsoft Server Block Message (SMB) when an attacker sends specially crafted requests to the server. An attacker who exploited this vulnerability could cause the affected system to crash. To attempt to exploit this issue, an attacker would need to send specially crafted SMB requests to the target system.\u003C/p\u003E\n\u003Cp\u003ENote that the denial of service vulnerability would not allow an attacker to execute code or to elevate their user rights, but it could cause the affected system to stop accepting requests.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting the manner in which SMB handles specially crafted client requests.\u003C/p\u003E",
  "published": "2018-09-11T07:00:00Z",
  "severity": "Important",
  "cvss": 4.8,
  "epss": 0.08997,
  "epssPercentile": 0.95291,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8335",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.2485",
      "fix": "KB4457131",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457131",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.2485",
      "fix": "KB4457131",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457131",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for 32-bit Systems",
      "fixedVersion": "15063.1324",
      "fix": "KB4457138",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457138",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1703 for x64-based Systems",
      "fixedVersion": "15063.1324",
      "fix": "KB4457138",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457138",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for 32-bit Systems",
      "fixedVersion": "16299.665",
      "fix": "KB4457142",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457142",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1709 for x64-based Systems",
      "fixedVersion": "16299.665",
      "fix": "KB4457142",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457142",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for 32-bit Systems",
      "fixedVersion": "17134.285",
      "fix": "KB4457128",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457128",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1803 for x64-based Systems",
      "fixedVersion": "17134.285",
      "fix": "KB4457128",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457128",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for 32-bit Systems",
      "fixedVersion": "10240.17976",
      "fix": "KB4457132",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457132",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 for x64-based Systems",
      "fixedVersion": "10240.17976",
      "fix": "KB4457132",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457132",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4457129",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457129",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4457143",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457143",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4457129",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457129",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4457143",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457143",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB4457129",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457129",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4457135",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457135",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012",
      "fixedVersion": "",
      "fix": "KB4457140",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457140",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4457135",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457135",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4457140",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457140",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4457129",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457129",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4457143",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457143",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4457129",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457129",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4457143",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457143",
      "released": "2018-09-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016",
      "fixedVersion": "14393.2485",
      "fix": "KB4457131",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457131",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2016 (Server Core installation)",
      "fixedVersion": "14393.2485",
      "fix": "KB4457131",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457131",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1709  (Server Core Installation)",
      "fixedVersion": "16299.665",
      "fix": "KB4457142",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457142",
      "released": "2018-09-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server, version 1803  (Server Core Installation)",
      "fixedVersion": "17134.285",
      "fix": "KB4457128",
      "url": "https://patchblox.com/security/fix/microsoft/kb4457128",
      "released": "2018-09-11T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T06:34:28Z"
}