{
  "cveId": "CVE-2018-0833",
  "url": "https://patchblox.com/security/cve/CVE-2018-0833",
  "summary": "CVE-2018-0833 is fixed in 5 products on 1 platform, first by KB4074597, released February 13, 2018. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Windows Denial of Service Vulnerability",
  "description": "\u003Cp\u003EA denial of service vulnerability exists in implementations of the Microsoft Server Message Block 2.0 and 3.0 (SMBv2/SMBv3) client. The vulnerability is due to improper handling of certain requests sent by a malicious SMB server to the client. An attacker who successfully exploited this vulnerability could cause the affected system to stop responding until it is manually restarted.\u003C/p\u003E\n\u003Cp\u003ETo exploit the vulnerability, an attacker could use various methods such as redirectors, injected HTML header links, etc., which could cause the SMB client to connect to a malicious SMB server.\u003C/p\u003E\n\u003Cp\u003EThe security update addresses the vulnerability by correcting how the Microsoft SMBv2/SMBv3 Client handles specially crafted requests.\u003C/p\u003E",
  "published": "2018-02-13T08:00:00Z",
  "severity": "Moderate",
  "cvss": 4.8,
  "epss": 0.40159,
  "epssPercentile": 0.98644,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "N/A",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-0833",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4074597",
      "url": "https://patchblox.com/security/fix/microsoft/kb4074597",
      "released": "2018-02-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for 32-bit systems",
      "fixedVersion": "",
      "fix": "KB4074594",
      "url": "https://patchblox.com/security/fix/microsoft/kb4074594",
      "released": "2018-02-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4074597",
      "url": "https://patchblox.com/security/fix/microsoft/kb4074597",
      "released": "2018-02-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 8.1 for x64-based systems",
      "fixedVersion": "",
      "fix": "KB4074594",
      "url": "https://patchblox.com/security/fix/microsoft/kb4074594",
      "released": "2018-02-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows RT 8.1",
      "fixedVersion": "",
      "fix": "KB4074594",
      "url": "https://patchblox.com/security/fix/microsoft/kb4074594",
      "released": "2018-02-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4074597",
      "url": "https://patchblox.com/security/fix/microsoft/kb4074597",
      "released": "2018-02-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2",
      "fixedVersion": "",
      "fix": "KB4074594",
      "url": "https://patchblox.com/security/fix/microsoft/kb4074594",
      "released": "2018-02-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4074597",
      "url": "https://patchblox.com/security/fix/microsoft/kb4074597",
      "released": "2018-02-13T08:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB4074594",
      "url": "https://patchblox.com/security/fix/microsoft/kb4074594",
      "released": "2018-02-13T08:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-07T12:40:37Z"
}