{
  "cveId": "CVE-2026-6727",
  "url": "https://patchblox.com/security/cve/CVE-2026-6727",
  "summary": "CVE-2026-6727 is fixed in 24 products on 1 platform, first by KB5120418, released August 11, 2026. It is not reported as exploited. Patch Radar priority: Routine.",
  "title": "MITRE: CVE-2026-6727 TPM 2.0 RSA OAEP Timing Side-Channel Vulnerability",
  "description": "\u003Cp\u003E\u003Ca href=\u0022https://www.cve.org/CVERecord?id=CVE-2026-6727\u0022\u003ECVE-2026-6727\u003C/a\u003E is an Information Disclosure vulnerability in the TPM 2.0 reference implementation involving an RSA OAEP timing side channel. MITRE assigned this CVE on behalf of the Trusted Computing Group. This document incorporates updates to Microsoft Windows that address this vulnerability.\u003C/p\u003E\n\u003Cp\u003EPlease see \u003Ca href=\u0022https://www.cve.org/CVERecord?id=CVE-2026-6727\u0022\u003ECVE-2026-6727\u003C/a\u003E for more information.\u003C/p\u003E",
  "published": "2026-08-11T07:00:00Z",
  "severity": "Important",
  "cvss": 5.9,
  "cwe": "Observable Timing Discrepancy",
  "epss": 0.00152,
  "epssPercentile": 0.04426,
  "priority": "Routine",
  "priorityTier": 4,
  "exploited": false,
  "vendorExploited": false,
  "disclosed": false,
  "exploitabilityAssessment": "Exploitation Less Likely",
  "vendorAdvisory": "https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-6727",
  "fixes": [
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for 32-bit Systems",
      "fixedVersion": "14393.9418",
      "fix": "KB5120418",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120418",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1607 for x64-based Systems",
      "fixedVersion": "14393.9418",
      "fix": "KB5120418",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120418",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for 32-bit Systems",
      "fixedVersion": "17763.9121",
      "fix": "KB5120238",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120238",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 1809 for x64-based Systems",
      "fixedVersion": "17763.9121",
      "fix": "KB5120238",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120238",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5120249",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120249",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5120249",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120249",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5120249",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120249",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "fixedVersion": "",
      "fix": "KB5120249",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120249",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5120249",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120249",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5120249",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120249",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for ARM64-based Systems",
      "fixedVersion": "22631.7517",
      "fix": "KB5120240",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120240",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 23H2 for x64-based Systems",
      "fixedVersion": "22631.7517",
      "fix": "KB5120240",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120240",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5121003",
      "url": "https://patchblox.com/security/fix/microsoft/kb5121003",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5120994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120994",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5121003",
      "url": "https://patchblox.com/security/fix/microsoft/kb5121003",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 24H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5120994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120994",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 25H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5121003",
      "url": "https://patchblox.com/security/fix/microsoft/kb5121003",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 25H2 for ARM64-based Systems",
      "fixedVersion": "",
      "fix": "KB5120994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120994",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 25H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5121003",
      "url": "https://patchblox.com/security/fix/microsoft/kb5121003",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 25H2 for x64-based Systems",
      "fixedVersion": "",
      "fix": "KB5120994",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120994",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 Version 26H1 for ARM64-based Systems",
      "fixedVersion": "28000.2704",
      "fix": "KB5121000",
      "url": "https://patchblox.com/security/fix/microsoft/kb5121000",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows 11 version 26H1 for x64-based Systems",
      "fixedVersion": "28000.2704",
      "fix": "KB5121000",
      "url": "https://patchblox.com/security/fix/microsoft/kb5121000",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019",
      "fixedVersion": "17763.9121",
      "fix": "KB5120238",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120238",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2019 (Server Core installation)",
      "fixedVersion": "17763.9121",
      "fix": "KB5120238",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120238",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "",
      "fix": "KB5123303",
      "url": "https://patchblox.com/security/fix/microsoft/kb5123303",
      "released": "2026-08-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.5440",
      "fix": "KB5120229",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120229",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022",
      "fixedVersion": "20348.5499",
      "fix": "KB5120242",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120242",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "",
      "fix": "KB5123303",
      "url": "https://patchblox.com/security/fix/microsoft/kb5123303",
      "released": "2026-08-11T07:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.5440",
      "fix": "KB5120229",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120229",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2022 (Server Core installation)",
      "fixedVersion": "20348.5499",
      "fix": "KB5120242",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120242",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.33222",
      "fix": "KB5120228",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120228",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025",
      "fixedVersion": "26100.33296",
      "fix": "KB5120233",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120233",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.33222",
      "fix": "KB5120228",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120228",
      "released": "2026-08-11T00:00:00Z"
    },
    {
      "platform": "microsoft",
      "product": "Windows Server 2025 (Server Core installation)",
      "fixedVersion": "26100.33296",
      "fix": "KB5120233",
      "url": "https://patchblox.com/security/fix/microsoft/kb5120233",
      "released": "2026-08-11T00:00:00Z"
    }
  ],
  "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"
  }
}