{
  "cveId": "CVE-2023-20585",
  "url": "https://patchblox.com/security/cve/CVE-2023-20585",
  "summary": "CVE-2023-20585 is fixed in 18 products on 2 platforms, first by KB5083769, released April 14, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "AMD: CVE-2023-20585 IOMMU Write Buffer Vulnerability",
  "description": "\u003Cp\u003EThe vulnerability assigned to this CVE could lead to corruption of guest encrypted memory. The mitigation for this vulnerability requires a Windows update. This CVE is being documented in the Security Update Guide to announce that the latest builds of Windows enable the mitigation and provide protection against the vulnerability.\u003C/p\u003E\n\u003Cp\u003EPlease see the following for more information:\u003C/p\u003E\n\u003Cul\u003E\n\u003Cli\u003E[https://www.amd.com/en/resources/product-security/bulletin/amd-sb-3016.html]\u003C/li\u003E\n\u003C/ul\u003E",
  "published": "2026-04-14T07:00:00Z",
  "severity": "Important",
  "cvss": 5.3,
  "epss": 0.00098,
  "epssPercentile": 0.00775,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-20585",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5083769",
      "url": "https://patchblox.com/security/fix/microsoft/kb5083769",
      "released": "2026-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 25H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5083769",
      "url": "https://patchblox.com/security/fix/microsoft/kb5083769",
      "released": "2026-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.32690",
      "fix": "KB5082063",
      "url": "https://patchblox.com/security/fix/microsoft/kb5082063",
      "released": "2026-04-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.32690",
      "fix": "KB5082063",
      "url": "https://patchblox.com/security/fix/microsoft/kb5082063",
      "released": "2026-04-14T00:00:00Z"
    },
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      "product": "kernel-64kb",
      "release": "sles 15.7",
      "fixedVersion": "6.4.0-150700.53.73.2",
      "fix": "SUSE-SU-2026:3166-1",
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      "released": "2026-07-21T17:09:27Z"
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      "fix": "SUSE-SU-2026:22087-1",
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      "fix": "SUSE-SU-2026:3166-1",
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      "fix": "SUSE-SU-2026:22087-1",
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      "released": "2026-06-05T17:10:52Z"
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      "platform": "linux",
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      "fixedVersion": "6.4.0-150700.53.73.2",
      "fix": "SUSE-SU-2026:3166-1",
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  "noFixYet": [],
  "dataAsOf": "2026-11-09T01:18:40Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
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    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
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}