{
  "fix": "KB5012658",
  "url": "https://patchblox.com/security/fix/microsoft/kb5012658",
  "summary": "KB5012658, released April 12, 2022, fixes 44 CVEs across 4 products. 2 of them are being exploited (CVE-2022-26904); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "April 2022 security update",
  "released": "2022-04-12T12:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2022-26904, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 44,
  "exploitedCveCount": 2,
  "kevCveCount": 2,
  "ransomwareCveCount": 1,
  "maxEpss": 0.90859,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5012658",
  "appliesTo": [
    {
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2-server-core-installation",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2-server-core-installation",
      "fixedVersion": "",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2022-26904",
      "url": "https://patchblox.com/security/cve/CVE-2022-26904",
      "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": 0.16948,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": true
    },
    {
      "cveId": "CVE-2022-24521",
      "url": "https://patchblox.com/security/cve/CVE-2022-24521",
      "title": "Windows Common Log File System Driver Elevation of Privilege Vulnerability",
      "component": "Windows Common Log File System Driver",
      "impact": "Elevation of Privilege",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.07134,
      "kev": true,
      "ransomware": true,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26809",
      "url": "https://patchblox.com/security/cve/CVE-2022-26809",
      "title": "Remote Procedure Call Runtime Remote Code Execution Vulnerability",
      "component": "Windows Remote Procedure Call Runtime",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.90859,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24500",
      "url": "https://patchblox.com/security/cve/CVE-2022-24500",
      "title": "Windows SMB Remote Code Execution Vulnerability",
      "component": "Windows SMB",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.38049,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24481",
      "url": "https://patchblox.com/security/cve/CVE-2022-24481",
      "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": 0.16779,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24542",
      "url": "https://patchblox.com/security/cve/CVE-2022-24542",
      "title": "Windows Win32k Elevation of Privilege Vulnerability",
      "component": "Windows Win32K",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.09154,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24474",
      "url": "https://patchblox.com/security/cve/CVE-2022-24474",
      "title": "Windows Win32k Elevation of Privilege Vulnerability",
      "component": "Windows Win32K",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.06514,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24541",
      "url": "https://patchblox.com/security/cve/CVE-2022-24541",
      "title": "Windows Server Service Remote Code Execution Vulnerability",
      "component": "Windows SMB",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.8,
      "epss": 0.03045,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26919",
      "url": "https://patchblox.com/security/cve/CVE-2022-26919",
      "title": "Windows Lightweight Directory Access Protocol (LDAP) Remote Code Execution Vulnerability",
      "component": "Windows LDAP - Lightweight Directory Access Protocol",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.1,
      "epss": 0.02567,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24536",
      "url": "https://patchblox.com/security/cve/CVE-2022-24536",
      "title": "Windows DNS Server Remote Code Execution Vulnerability",
      "component": "Role: DNS Server",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.2,
      "epss": 0.03839,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26812",
      "url": "https://patchblox.com/security/cve/CVE-2022-26812",
      "title": "Windows DNS Server Remote Code Execution Vulnerability",
      "component": "Role: DNS Server",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.2,
      "epss": 0.03839,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26813",
      "url": "https://patchblox.com/security/cve/CVE-2022-26813",
      "title": "Windows DNS Server Remote Code Execution Vulnerability",
      "component": "Role: DNS Server",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.2,
      "epss": 0.03839,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26815",
      "url": "https://patchblox.com/security/cve/CVE-2022-26815",
      "title": "Windows DNS Server Remote Code Execution Vulnerability",
      "component": "Role: DNS Server",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.2,
      "epss": 0.03839,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26915",
      "url": "https://patchblox.com/security/cve/CVE-2022-26915",
      "title": "Windows Secure Channel Denial of Service Vulnerability",
      "component": "Windows SChannel",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.03558,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26831",
      "url": "https://patchblox.com/security/cve/CVE-2022-26831",
      "title": "Windows Lightweight Directory Access Protocol (LDAP) Denial of Service Vulnerability",
      "component": "Windows LDAP - Lightweight Directory Access Protocol",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.0327,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24492",
      "url": "https://patchblox.com/security/cve/CVE-2022-24492",
      "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": 0.03088,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26903",
      "url": "https://patchblox.com/security/cve/CVE-2022-26903",
      "title": "Windows Graphics Component Remote Code Execution Vulnerability",
      "component": "Microsoft Graphics Component",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.02664,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24528",
      "url": "https://patchblox.com/security/cve/CVE-2022-24528",
      "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": 0.02579,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26916",
      "url": "https://patchblox.com/security/cve/CVE-2022-26916",
      "title": "Windows Fax Compose Form Remote Code Execution Vulnerability",
      "component": "Windows Fax Compose Form",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.02058,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26917",
      "url": "https://patchblox.com/security/cve/CVE-2022-26917",
      "title": "Windows Fax Compose Form Remote Code Execution Vulnerability",
      "component": "Windows Fax Compose Form",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.02058,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26918",
      "url": "https://patchblox.com/security/cve/CVE-2022-26918",
      "title": "Windows Fax Compose Form Remote Code Execution Vulnerability",
      "component": "Windows Fax Compose Form",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.02058,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-21983",
      "url": "https://patchblox.com/security/cve/CVE-2022-21983",
      "title": "Win32 Stream Enumeration Remote Code Execution Vulnerability",
      "component": "Windows kernel32.dll",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.0205,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24494",
      "url": "https://patchblox.com/security/cve/CVE-2022-24494",
      "title": "Windows Ancillary Function Driver for WinSock Elevation of Privilege Vulnerability",
      "component": "Windows Ancillary Function Driver for WinSock",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.01905,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24534",
      "url": "https://patchblox.com/security/cve/CVE-2022-24534",
      "title": "Win32 Stream Enumeration Remote Code Execution Vulnerability",
      "component": "Windows kernel32.dll",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.01897,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24485",
      "url": "https://patchblox.com/security/cve/CVE-2022-24485",
      "title": "Win32 File Enumeration Remote Code Execution Vulnerability",
      "component": "Windows kernel32.dll",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.017,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24499",
      "url": "https://patchblox.com/security/cve/CVE-2022-24499",
      "title": "Windows Installer Elevation of Privilege Vulnerability",
      "component": "Windows Installer",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00995,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26798",
      "url": "https://patchblox.com/security/cve/CVE-2022-26798",
      "title": "Windows Print Spooler Elevation of Privilege Vulnerability",
      "component": "Windows Print Spooler Components",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00851,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26792",
      "url": "https://patchblox.com/security/cve/CVE-2022-26792",
      "title": "Windows Print Spooler Elevation of Privilege Vulnerability",
      "component": "Windows Print Spooler Components",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00796,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26796",
      "url": "https://patchblox.com/security/cve/CVE-2022-26796",
      "title": "Windows Print Spooler Elevation of Privilege Vulnerability",
      "component": "Windows Print Spooler Components",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00796,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26801",
      "url": "https://patchblox.com/security/cve/CVE-2022-26801",
      "title": "Windows Print Spooler Elevation of Privilege Vulnerability",
      "component": "Windows Print Spooler Components",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00796,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26802",
      "url": "https://patchblox.com/security/cve/CVE-2022-26802",
      "title": "Windows Print Spooler Elevation of Privilege Vulnerability",
      "component": "Windows Print Spooler Components",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00796,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26790",
      "url": "https://patchblox.com/security/cve/CVE-2022-26790",
      "title": "Windows Print Spooler Elevation of Privilege Vulnerability",
      "component": "Windows Print Spooler Components",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00707,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26794",
      "url": "https://patchblox.com/security/cve/CVE-2022-26794",
      "title": "Windows Print Spooler Elevation of Privilege Vulnerability",
      "component": "Windows Print Spooler Components",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00707,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26797",
      "url": "https://patchblox.com/security/cve/CVE-2022-26797",
      "title": "Windows Print Spooler Elevation of Privilege Vulnerability",
      "component": "Windows Print Spooler Components",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00707,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24544",
      "url": "https://patchblox.com/security/cve/CVE-2022-24544",
      "title": "Windows Kerberos Elevation of Privilege Vulnerability",
      "component": "Windows Kerberos",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00677,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26810",
      "url": "https://patchblox.com/security/cve/CVE-2022-26810",
      "title": "Windows File Server Resource Management Service Elevation of Privilege Vulnerability",
      "component": "Windows File Server",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00603,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24530",
      "url": "https://patchblox.com/security/cve/CVE-2022-24530",
      "title": "Windows Installer Elevation of Privilege Vulnerability",
      "component": "Windows Installer",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00549,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24540",
      "url": "https://patchblox.com/security/cve/CVE-2022-24540",
      "title": "Windows ALPC Elevation of Privilege Vulnerability",
      "component": "Windows ALPC",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00412,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-24498",
      "url": "https://patchblox.com/security/cve/CVE-2022-24498",
      "title": "Windows iSCSI Target Service Information Disclosure Vulnerability",
      "component": "Windows iSCSI Target Service",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.02568,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26819",
      "url": "https://patchblox.com/security/cve/CVE-2022-26819",
      "title": "Windows DNS Server Remote Code Execution Vulnerability",
      "component": "Role: DNS Server",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.6,
      "epss": 0.01929,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26820",
      "url": "https://patchblox.com/security/cve/CVE-2022-26820",
      "title": "Windows DNS Server Remote Code Execution Vulnerability",
      "component": "Role: DNS Server",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.6,
      "epss": 0.01929,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26821",
      "url": "https://patchblox.com/security/cve/CVE-2022-26821",
      "title": "Windows DNS Server Remote Code Execution Vulnerability",
      "component": "Role: DNS Server",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.6,
      "epss": 0.01929,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26822",
      "url": "https://patchblox.com/security/cve/CVE-2022-26822",
      "title": "Windows DNS Server Remote Code Execution Vulnerability",
      "component": "Role: DNS Server",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.6,
      "epss": 0.01929,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26829",
      "url": "https://patchblox.com/security/cve/CVE-2022-26829",
      "title": "Windows DNS Server Remote Code Execution Vulnerability",
      "component": "Role: DNS Server",
      "impact": "Remote Code Execution",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.6,
      "epss": 0.01929,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}