{
  "cveId": "CVE-2025-2884",
  "url": "https://patchblox.com/security/cve/CVE-2025-2884",
  "summary": "CVE-2025-2884 is fixed in 7 products on 1 platform, first by KB5066793, released October 14, 2025. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "Cert CC: CVE-2025-2884 Out-of-Bounds read vulnerability in TCG TPM2.0 reference implementation",
  "description": "\u003Cp\u003E\u003Ca href=\u0022https://www.cve.org/CVERecord?id=CVE-2025-2884\u0022\u003ECVE-2025-2884\u003C/a\u003E is regarding a vulnerability in TCG TPM2.0 Reference implementation\u0027s CryptHmacSign helper function that is vulnerable to Out-of-Bounds read due to the lack of validation the signature scheme with the signature key\u0027s algorithm.\u003C/p\u003E\n\u003Cp\u003ECERT/CC created this CVE on their behalf. The documented Windows updates incorporate updates in TCG TPM2.0 Reference implementation which address this vulnerability. Please see \u003Ca href=\u0022https://www.cve.org/CVERecord?id=CVE-2025-2884\u0022\u003ECVE-2025-2884\u003C/a\u003E for more information.\u003C/p\u003E",
  "published": "2025-10-14T12:00:00Z",
  "severity": "Important",
  "cvss": 5.3,
  "cwe": "Out-of-bounds Read",
  "epss": 0.00257,
  "epssPercentile": 0.17453,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": true,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-2884",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5066793",
      "url": "https://patchblox.com/security/fix/microsoft/kb5066793",
      "released": "2025-10-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5066793",
      "url": "https://patchblox.com/security/fix/microsoft/kb5066793",
      "released": "2025-10-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5066835",
      "url": "https://patchblox.com/security/fix/microsoft/kb5066835",
      "released": "2025-10-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 25H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5066835",
      "url": "https://patchblox.com/security/fix/microsoft/kb5066835",
      "released": "2025-10-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022, 23H2 Edition (Server Core installation)",
      "fixedVersion": "25398.1913",
      "fix": "KB5066780",
      "url": "https://patchblox.com/security/fix/microsoft/kb5066780",
      "released": "2025-10-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "",
      "fix": "KB5066835",
      "url": "https://patchblox.com/security/fix/microsoft/kb5066835",
      "released": "2025-10-14T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5066835",
      "url": "https://patchblox.com/security/fix/microsoft/kb5066835",
      "released": "2025-10-14T00:00:00Z"
    }
  ],
  "noFixYet": [],
  "dataAsOf": "2026-11-08T06:59:42Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}