{
  "cveId": "CVE-2025-21291",
  "url": "https://patchblox.com/security/cve/CVE-2025-21291",
  "summary": "CVE-2025-21291 is fixed in 17 products on 1 platform, first by KB5050008, released January 14, 2025. It is not reported as exploited. Patch Radar priority: High.",
  "title": "Windows Direct Show Remote Code Execution Vulnerability",
  "description": "",
  "published": "2025-01-14T14:00:00Z",
  "severity": "Important",
  "cvss": 8.8,
  "cwe": "Double Free",
  "epss": 0.01416,
  "epssPercentile": 0.7294,
  "priority": "High",
  "priorityTier": 3,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-21291",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.6775",
      "fix": "KB5050008",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050008",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.6775",
      "fix": "KB5050008",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050008",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5049981",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049981",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5050021",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050021",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5050021",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050021",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5050021",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050021",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5050021",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050021",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.6775",
      "fix": "KB5050008",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050008",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.6775",
      "fix": "KB5050008",
      "url": "https://patchblox.com/security/fix/microsoft/kb5050008",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.3091",
      "fix": "KB5049983",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049983",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.3091",
      "fix": "KB5049983",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049983",
      "released": "2025-01-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
      "fixedVersion": "25398.1369",
      "fix": "KB5049984",
      "url": "https://patchblox.com/security/fix/microsoft/kb5049984",
      "released": "2025-01-14T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T19:12:23Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}