{
  "fix": "KB5026361",
  "url": "https://patchblox.com/security/fix/microsoft/kb5026361",
  "summary": "KB5026361, released May 9, 2023, fixes 21 CVEs across 8 products. One of them is being exploited (CVE-2023-24932). Patch Radar priority: Patch now.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "May 2023 cumulative update for Windows 10 20H2",
  "released": "2023-05-09T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2023-24932, exploited (reported by the vendor)",
  "supported": true,
  "cveCount": 21,
  "exploitedCveCount": 1,
  "kevCveCount": 0,
  "ransomwareCveCount": 0,
  "maxEpss": 0.83885,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5026361",
  "appliesTo": [
    {
      "product": "Windows 10 Version 20H2 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-20h2-for-32-bit-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 20H2 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-20h2-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": false
    },
    {
      "product": "Windows 10 Version 21H2 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-21h2-for-32-bit-systems",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Windows 10 Version 21H2 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-21h2-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Windows 10 Version 21H2 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-21h2-for-x64-based-systems",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Windows 10 Version 22H2 for 32-bit Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-22h2-for-32-bit-systems",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Windows 10 Version 22H2 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-22h2-for-arm64-based-systems",
      "fixedVersion": "",
      "supported": true
    },
    {
      "product": "Windows 10 Version 22H2 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-10-version-22h2-for-x64-based-systems",
      "fixedVersion": "",
      "supported": true
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-24932",
      "url": "https://patchblox.com/security/cve/CVE-2023-24932",
      "title": "Secure Boot Security Feature Bypass Vulnerability",
      "component": "Windows Secure Boot",
      "impact": "Security Feature Bypass",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 6.7,
      "epss": 0.11819,
      "kev": false,
      "ransomware": false,
      "exploited": true,
      "disclosed": true
    },
    {
      "cveId": "CVE-2023-29325",
      "url": "https://patchblox.com/security/cve/CVE-2023-29325",
      "title": "Windows OLE Remote Code Execution Vulnerability",
      "component": "Windows OLE",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.1,
      "epss": 0.83885,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": true
    },
    {
      "cveId": "CVE-2023-24949",
      "url": "https://patchblox.com/security/cve/CVE-2023-24949",
      "title": "Windows Kernel Elevation of Privilege Vulnerability",
      "component": "Windows Kernel",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.24622,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24943",
      "url": "https://patchblox.com/security/cve/CVE-2023-24943",
      "title": "Windows Pragmatic General Multicast (PGM) Remote Code Execution Vulnerability",
      "component": "Windows PGM",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 9.8,
      "epss": 0.04682,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29324",
      "url": "https://patchblox.com/security/cve/CVE-2023-29324",
      "title": "Windows MSHTML Platform Security Feature Bypass Vulnerability",
      "component": "Windows MSHTML Platform",
      "impact": "Security Feature Bypass",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.02842,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-28283",
      "url": "https://patchblox.com/security/cve/CVE-2023-28283",
      "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": 0.00973,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24903",
      "url": "https://patchblox.com/security/cve/CVE-2023-24903",
      "title": "Windows Secure Socket Tunneling Protocol (SSTP) Remote Code Execution Vulnerability",
      "component": "Windows Secure Socket Tunneling Protocol (SSTP)",
      "impact": "Remote Code Execution",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 8.1,
      "epss": 0.00924,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24940",
      "url": "https://patchblox.com/security/cve/CVE-2023-24940",
      "title": "Windows Pragmatic General Multicast (PGM) Denial of Service Vulnerability",
      "component": "Windows PGM",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.05166,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24939",
      "url": "https://patchblox.com/security/cve/CVE-2023-24939",
      "title": "Server for NFS Denial of Service Vulnerability",
      "component": "Windows NFS Portmapper",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.04656,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-29900",
      "url": "https://patchblox.com/security/cve/CVE-2022-29900",
      "title": "AMD: CVE-2022-29900 AMD CPU Branch Type Confusion",
      "component": "AMD CPU Branch",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.03937,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24942",
      "url": "https://patchblox.com/security/cve/CVE-2023-24942",
      "title": "Remote Procedure Call Runtime Denial of Service Vulnerability",
      "component": "Windows Remote Procedure Call Runtime",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.01898,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24901",
      "url": "https://patchblox.com/security/cve/CVE-2023-24901",
      "title": "Windows NFS Portmapper Information Disclosure Vulnerability",
      "component": "Windows NFS Portmapper",
      "impact": "Information Disclosure",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.0159,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24948",
      "url": "https://patchblox.com/security/cve/CVE-2023-24948",
      "title": "Windows Bluetooth Driver Elevation of Privilege Vulnerability",
      "component": "Microsoft Bluetooth Driver",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.4,
      "epss": 0.00953,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2022-26928",
      "url": "https://patchblox.com/security/cve/CVE-2022-26928",
      "title": "Windows Photo Import API Elevation of Privilege Vulnerability",
      "component": "Windows Photo Import API",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00795,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24947",
      "url": "https://patchblox.com/security/cve/CVE-2023-24947",
      "title": "Windows Bluetooth Driver Remote Code Execution Vulnerability",
      "component": "Microsoft Bluetooth Driver",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.007,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24905",
      "url": "https://patchblox.com/security/cve/CVE-2023-24905",
      "title": "Remote Desktop Client Remote Code Execution Vulnerability",
      "component": "Remote Desktop Client",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00668,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24946",
      "url": "https://patchblox.com/security/cve/CVE-2023-24946",
      "title": "Windows Backup Service Elevation of Privilege Vulnerability",
      "component": "Windows Backup Engine",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00444,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24900",
      "url": "https://patchblox.com/security/cve/CVE-2023-24900",
      "title": "Windows NTLM Security Support Provider Information Disclosure Vulnerability",
      "component": "Windows NTLM",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.9,
      "epss": 0.01232,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24944",
      "url": "https://patchblox.com/security/cve/CVE-2023-24944",
      "title": "Windows Bluetooth Driver Information Disclosure Vulnerability",
      "component": "Microsoft Bluetooth Driver",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.00688,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24945",
      "url": "https://patchblox.com/security/cve/CVE-2023-24945",
      "title": "Windows iSCSI Target Service Information Disclosure Vulnerability",
      "component": "Windows iSCSI Target Service",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.00555,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-28251",
      "url": "https://patchblox.com/security/cve/CVE-2023-28251",
      "title": "Windows Driver Revocation List Security Feature Bypass Vulnerability",
      "component": "Windows Secure Boot",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.00451,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T18:46:35Z",
  "attribution": {
    "text": "Data: Patchblox Patch Radar",
    "url": "https://patchblox.com/security/patch-radar",
    "terms": "https://patchblox.com/security/patch-radar/use-the-data"
  }
}