{
  "fix": "KB5009595",
  "url": "https://patchblox.com/security/fix/microsoft/kb5009595",
  "summary": "KB5009595, released January 11, 2022, fixes 51 CVEs across 4 products. One of them is being exploited (CVE-2022-21919); 1 on CISA KEV. Patch Radar priority: Patch now.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "January 2022 security update",
  "released": "2022-01-11T14:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2022-21919, exploited (CISA KEV)",
  "supported": true,
  "cveCount": 51,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.24515,
  "maxCvss": 9,
  "vendorAdvisory": "https://support.microsoft.com/help/5009595",
  "appliesTo": [
    {
      "product": "Windows 8.1 for 32-bit systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-8.1-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 8.1 for x64-based systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-8.1-for-x64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2012 R2",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2012-r2",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Windows Server 2012 R2 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2012-r2-server-core-installation",
      "fixedVersion": "",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2022-21919",
      "url": "https://patchblox.com/security/cve/CVE-2022-21919",
      "title": "Windows User Profile Service Elevation of Privilege Vulnerability",
      "component": "Windows User Profile Service",
      "impact": "Elevation of Privilege",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.02567,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": true
    },
    {
      "cveId": "CVE-2022-21881",
      "url": "https://patchblox.com/security/cve/CVE-2022-21881",
      "title": "Windows Kernel Elevation of Privilege Vulnerability",
      "component": "Windows Kernel",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.24515,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21857",
      "url": "https://patchblox.com/security/cve/CVE-2022-21857",
      "title": "Active Directory Domain Services Elevation of Privilege Vulnerability",
      "component": "Windows Active Directory",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.02638,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21897",
      "url": "https://patchblox.com/security/cve/CVE-2022-21897",
      "title": "Windows Common Log File System Driver Elevation of Privilege Vulnerability",
      "component": "Windows Common Log File System Driver",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01085,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21916",
      "url": "https://patchblox.com/security/cve/CVE-2022-21916",
      "title": "Windows Common Log File System Driver Elevation of Privilege Vulnerability",
      "component": "Windows Common Log File System Driver",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21908",
      "url": "https://patchblox.com/security/cve/CVE-2022-21908",
      "title": "Windows Installer Elevation of Privilege Vulnerability",
      "component": "Windows Installer",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.0093,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21903",
      "url": "https://patchblox.com/security/cve/CVE-2022-21903",
      "title": "Windows GDI Elevation of Privilege Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00835,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21885",
      "url": "https://patchblox.com/security/cve/CVE-2022-21885",
      "title": "Windows Remote Access Connection Manager Elevation of Privilege Vulnerability",
      "component": "Windows Remote Access Connection Manager",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00685,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21914",
      "url": "https://patchblox.com/security/cve/CVE-2022-21914",
      "title": "Windows Remote Access Connection Manager Elevation of Privilege Vulnerability",
      "component": "Windows Remote Access Connection Manager",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00685,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21833",
      "url": "https://patchblox.com/security/cve/CVE-2022-21833",
      "title": "Virtual Machine IDE Drive Elevation of Privilege Vulnerability",
      "component": "Windows Virtual Machine IDE Drive",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 7.8,
      "epss": 0.00653,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21893",
      "url": "https://patchblox.com/security/cve/CVE-2022-21893",
      "title": "Remote Desktop Protocol Remote Code Execution Vulnerability",
      "component": "Windows RDP",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8,
      "epss": 0.0863,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21883",
      "url": "https://patchblox.com/security/cve/CVE-2022-21883",
      "title": "Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability",
      "component": "Windows IKE Extension",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.04644,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21848",
      "url": "https://patchblox.com/security/cve/CVE-2022-21848",
      "title": "Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability",
      "component": "Windows IKE Extension",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.04399,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21880",
      "url": "https://patchblox.com/security/cve/CVE-2022-21880",
      "title": "Windows GDI\u002B Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.04103,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21904",
      "url": "https://patchblox.com/security/cve/CVE-2022-21904",
      "title": "Windows GDI Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.03729,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21843",
      "url": "https://patchblox.com/security/cve/CVE-2022-21843",
      "title": "Windows Internet Key Exchange (IKE) Protocol Extensions Remote Code Execution Vulnerability",
      "component": "Windows IKE Extension",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.03556,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21889",
      "url": "https://patchblox.com/security/cve/CVE-2022-21889",
      "title": "Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability",
      "component": "Windows IKE Extension",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.03202,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21890",
      "url": "https://patchblox.com/security/cve/CVE-2022-21890",
      "title": "Windows Internet Key Exchange (IKE) Extension Denial of Service Vulnerability",
      "component": "Windows IKE Extension",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.03202,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21850",
      "url": "https://patchblox.com/security/cve/CVE-2022-21850",
      "title": "Remote Desktop Client Remote Code Execution Vulnerability",
      "component": "Windows RDP",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.02942,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21851",
      "url": "https://patchblox.com/security/cve/CVE-2022-21851",
      "title": "Remote Desktop Client Remote Code Execution Vulnerability",
      "component": "Windows RDP",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.02942,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21920",
      "url": "https://patchblox.com/security/cve/CVE-2022-21920",
      "title": "Windows Kerberos Elevation of Privilege Vulnerability",
      "component": "Windows Kerberos",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.02929,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21922",
      "url": "https://patchblox.com/security/cve/CVE-2022-21922",
      "title": "Remote Procedure Call Runtime Remote Code Execution Vulnerability",
      "component": "Windows Remote Procedure Call Runtime",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.02929,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21895",
      "url": "https://patchblox.com/security/cve/CVE-2022-21895",
      "title": "Windows User Profile Service Elevation of Privilege Vulnerability",
      "component": "Windows User Profile Service",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01257,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21901",
      "url": "https://patchblox.com/security/cve/CVE-2022-21901",
      "title": "Windows Hyper-V Elevation of Privilege Vulnerability",
      "component": "Role: Windows Hyper-V",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 9,
      "epss": 0.0095,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21864",
      "url": "https://patchblox.com/security/cve/CVE-2022-21864",
      "title": "Windows UI Immersive Server API Elevation of Privilege Vulnerability",
      "component": "Windows UI Immersive Server",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.0079,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21836",
      "url": "https://patchblox.com/security/cve/CVE-2022-21836",
      "title": "Windows Certificate Spoofing Vulnerability",
      "component": "Windows Certificates",
      "impact": "Spoofing",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00721,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    },
    {
      "cveId": "CVE-2022-21870",
      "url": "https://patchblox.com/security/cve/CVE-2022-21870",
      "title": "Tablet Windows User Interface Application Core Elevation of Privilege Vulnerability",
      "component": "Tablet Windows User Interface",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00694,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21875",
      "url": "https://patchblox.com/security/cve/CVE-2022-21875",
      "title": "Windows Storage Elevation of Privilege Vulnerability",
      "component": "Windows Storage",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00694,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21867",
      "url": "https://patchblox.com/security/cve/CVE-2022-21867",
      "title": "Windows Push Notifications Apps Elevation of Privilege Vulnerability",
      "component": "Windows Push Notifications",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.0069,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21835",
      "url": "https://patchblox.com/security/cve/CVE-2022-21835",
      "title": "Microsoft Cryptographic Services Elevation of Privilege Vulnerability",
      "component": "Windows Cryptographic Services",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00685,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21884",
      "url": "https://patchblox.com/security/cve/CVE-2022-21884",
      "title": "Local Security Authority Subsystem Service Elevation of Privilege Vulnerability",
      "component": "Windows Local Security Authority Subsystem Service (LSASS)",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00685,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21868",
      "url": "https://patchblox.com/security/cve/CVE-2022-21868",
      "title": "Windows Devices Human Interface Elevation of Privilege Vulnerability",
      "component": "Windows Devices Human Interface",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00671,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21834",
      "url": "https://patchblox.com/security/cve/CVE-2022-21834",
      "title": "Windows User-mode Driver Framework Reflector Driver Elevation of Privilege Vulnerability",
      "component": "Windows User-mode Driver Framework",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00653,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21859",
      "url": "https://patchblox.com/security/cve/CVE-2022-21859",
      "title": "Windows Accounts Control Elevation of Privilege Vulnerability",
      "component": "Windows Account Control",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00649,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21862",
      "url": "https://patchblox.com/security/cve/CVE-2022-21862",
      "title": "Windows Application Model Core API Elevation of Privilege Vulnerability",
      "component": "Windows Application Model",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00649,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21894",
      "url": "https://patchblox.com/security/cve/CVE-2022-21894",
      "title": "Secure Boot Security Feature Bypass Vulnerability",
      "component": "Windows Secure Boot",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.4,
      "epss": 0.09116,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21924",
      "url": "https://patchblox.com/security/cve/CVE-2022-21924",
      "title": "Workstation Service Remote Protocol Security Feature Bypass Vulnerability",
      "component": "Windows Workstation Service Remote Protocol",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.3,
      "epss": 0.0307,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21915",
      "url": "https://patchblox.com/security/cve/CVE-2022-21915",
      "title": "Windows GDI\u002B Information Disclosure Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.02918,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21913",
      "url": "https://patchblox.com/security/cve/CVE-2022-21913",
      "title": "Local Security Authority (Domain Policy) Remote Protocol Security Feature Bypass",
      "component": "Windows Local Security Authority",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.3,
      "epss": 0.02841,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21838",
      "url": "https://patchblox.com/security/cve/CVE-2022-21838",
      "title": "Windows Cleanup Manager Elevation of Privilege Vulnerability",
      "component": "Windows Cleanup Manager",
      "impact": "Elevation of Privilege",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.01519,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21899",
      "url": "https://patchblox.com/security/cve/CVE-2022-21899",
      "title": "Windows Extensible Firmware Interface Security Feature Bypass Vulnerability",
      "component": "Windows UEFI",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.01464,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21892",
      "url": "https://patchblox.com/security/cve/CVE-2022-21892",
      "title": "Windows Resilient File System (ReFS) Remote Code Execution Vulnerability",
      "component": "Windows Resilient File System (ReFS)",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Important",
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    {
      "cveId": "CVE-2022-21958",
      "url": "https://patchblox.com/security/cve/CVE-2022-21958",
      "title": "Windows Resilient File System (ReFS) Remote Code Execution Vulnerability",
      "component": "Windows Resilient File System (ReFS)",
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    {
      "cveId": "CVE-2022-21959",
      "url": "https://patchblox.com/security/cve/CVE-2022-21959",
      "title": "Windows Resilient File System (ReFS) Remote Code Execution Vulnerability",
      "component": "Windows Resilient File System (ReFS)",
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    {
      "cveId": "CVE-2022-21960",
      "url": "https://patchblox.com/security/cve/CVE-2022-21960",
      "title": "Windows Resilient File System (ReFS) Remote Code Execution Vulnerability",
      "component": "Windows Resilient File System (ReFS)",
      "impact": "Remote Code Execution",
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    {
      "cveId": "CVE-2022-21961",
      "url": "https://patchblox.com/security/cve/CVE-2022-21961",
      "title": "Windows Resilient File System (ReFS) Remote Code Execution Vulnerability",
      "component": "Windows Resilient File System (ReFS)",
      "impact": "Remote Code Execution",
      "priority": "Routine",
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    },
    {
      "cveId": "CVE-2022-21962",
      "url": "https://patchblox.com/security/cve/CVE-2022-21962",
      "title": "Windows Resilient File System (ReFS) Remote Code Execution Vulnerability",
      "component": "Windows Resilient File System (ReFS)",
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    },
    {
      "cveId": "CVE-2022-21905",
      "url": "https://patchblox.com/security/cve/CVE-2022-21905",
      "title": "Windows Hyper-V Security Feature Bypass Vulnerability",
      "component": "Role: Windows Hyper-V",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
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    {
      "cveId": "CVE-2022-21963",
      "url": "https://patchblox.com/security/cve/CVE-2022-21963",
      "title": "Windows Resilient File System (ReFS) Remote Code Execution Vulnerability",
      "component": "Windows Resilient File System (ReFS)",
      "impact": "Remote Code Execution",
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    {
      "cveId": "CVE-2022-21900",
      "url": "https://patchblox.com/security/cve/CVE-2022-21900",
      "title": "Windows Hyper-V Security Feature Bypass Vulnerability",
      "component": "Role: Windows Hyper-V",
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    {
      "cveId": "CVE-2022-21928",
      "url": "https://patchblox.com/security/cve/CVE-2022-21928",
      "title": "Windows Resilient File System (ReFS) Remote Code Execution Vulnerability",
      "component": "Windows Resilient File System (ReFS)",
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  "dataAsOf": "2026-11-07T12:40:37Z"
}