{
  "fix": "KB5027223",
  "url": "https://patchblox.com/security/fix/microsoft/kb5027223",
  "summary": "KB5027223, released June 13, 2023, fixes 29 CVEs across 2 products. One of them is being exploited (CVE-2023-29360); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.",
  "platform": "microsoft",
  "type": "kb",
  "releaseKind": "Security",
  "title": "June 2023 cumulative update for Windows 11 21H2",
  "released": "2023-06-13T00:00:00Z",
  "priority": "Patch now",
  "priorityTier": 1,
  "priorityReason": "Closes CVE-2023-29360, exploited (CISA KEV)",
  "supported": false,
  "cveCount": 29,
  "exploitedCveCount": 1,
  "kevCveCount": 1,
  "ransomwareCveCount": 0,
  "maxEpss": 0.2162,
  "maxCvss": 9.8,
  "vendorAdvisory": "https://support.microsoft.com/help/5027223",
  "appliesTo": [
    {
      "product": "Windows 11 version 21H2 for ARM64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-11-version-21h2-for-arm64-based-systems",
      "fixedVersion": "22000.2057",
      "supported": false
    },
    {
      "product": "Windows 11 version 21H2 for x64-based Systems",
      "productUrl": "https://patchblox.com/security/product/microsoft/windows-11-version-21h2-for-x64-based-systems",
      "fixedVersion": "22000.2057",
      "supported": false
    }
  ],
  "cves": [
    {
      "cveId": "CVE-2023-29360",
      "url": "https://patchblox.com/security/cve/CVE-2023-29360",
      "title": "Microsoft Streaming Service Elevation of Privilege Vulnerability",
      "component": "Microsoft Streaming Service",
      "impact": "Elevation of Privilege",
      "priority": "Patch now",
      "severity": "Important",
      "cvss": 8.4,
      "epss": 0.2162,
      "kev": true,
      "ransomware": false,
      "exploited": true,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29371",
      "url": "https://patchblox.com/security/cve/CVE-2023-29371",
      "title": "Windows GDI Elevation of Privilege Vulnerability",
      "component": "Windows Win32K",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.05391,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29358",
      "url": "https://patchblox.com/security/cve/CVE-2023-29358",
      "title": "Windows GDI Elevation of Privilege Vulnerability",
      "component": "Windows GDI",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.0473,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29361",
      "url": "https://patchblox.com/security/cve/CVE-2023-29361",
      "title": "Windows Cloud Files Mini Filter Driver Elevation of Privilege Vulnerability",
      "component": "Windows Cloud Files Mini Filter Driver",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.03976,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32015",
      "url": "https://patchblox.com/security/cve/CVE-2023-32015",
      "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": 0.02038,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29363",
      "url": "https://patchblox.com/security/cve/CVE-2023-29363",
      "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": 0.01943,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32014",
      "url": "https://patchblox.com/security/cve/CVE-2023-32014",
      "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": 0.01943,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32013",
      "url": "https://patchblox.com/security/cve/CVE-2023-32013",
      "title": "Windows Hyper-V Denial of Service Vulnerability",
      "component": "Windows Hyper-V",
      "impact": "Denial of Service",
      "priority": "Urgent",
      "severity": "Critical",
      "cvss": 5.3,
      "epss": 0.01637,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29359",
      "url": "https://patchblox.com/security/cve/CVE-2023-29359",
      "title": "GDI Elevation of Privilege Vulnerability",
      "component": "Windows Win32K",
      "impact": "Elevation of Privilege",
      "priority": "Urgent",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00549,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32011",
      "url": "https://patchblox.com/security/cve/CVE-2023-32011",
      "title": "Windows iSCSI Discovery Service Denial of Service Vulnerability",
      "component": "Windows iSCSI",
      "impact": "Denial of Service",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.5,
      "epss": 0.01936,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29351",
      "url": "https://patchblox.com/security/cve/CVE-2023-29351",
      "title": "Windows Group Policy Elevation of Privilege Vulnerability",
      "component": "Windows Group Policy",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.1,
      "epss": 0.01805,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29362",
      "url": "https://patchblox.com/security/cve/CVE-2023-29362",
      "title": "Remote Desktop Client Remote Code Execution Vulnerability",
      "component": "Remote Desktop Client",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.01346,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29372",
      "url": "https://patchblox.com/security/cve/CVE-2023-29372",
      "title": "Microsoft WDAC OLE DB provider for SQL Server Remote Code Execution Vulnerability",
      "component": "Microsoft WDAC OLE DB provider for SQL",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.01346,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29373",
      "url": "https://patchblox.com/security/cve/CVE-2023-29373",
      "title": "Microsoft ODBC Driver Remote Code Execution Vulnerability",
      "component": "Windows ODBC Driver",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.01346,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29365",
      "url": "https://patchblox.com/security/cve/CVE-2023-29365",
      "title": "Windows Media Remote Code Execution Vulnerability",
      "component": "Microsoft Windows Codecs Library",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00719,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29366",
      "url": "https://patchblox.com/security/cve/CVE-2023-29366",
      "title": "Windows Geolocation Service Remote Code Execution Vulnerability",
      "component": "Windows Geolocation Service",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00719,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29370",
      "url": "https://patchblox.com/security/cve/CVE-2023-29370",
      "title": "Windows Media Remote Code Execution Vulnerability",
      "component": "Microsoft Windows Codecs Library",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00719,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32008",
      "url": "https://patchblox.com/security/cve/CVE-2023-32008",
      "title": "Windows Resilient File System (ReFS) Remote Code Execution Vulnerability",
      "component": "Windows Resilient File System (ReFS)",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00719,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32012",
      "url": "https://patchblox.com/security/cve/CVE-2023-32012",
      "title": "Windows Container Manager Service Elevation of Privilege Vulnerability",
      "component": "Windows Container Manager Service",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00507,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32017",
      "url": "https://patchblox.com/security/cve/CVE-2023-32017",
      "title": "Microsoft PostScript Printer Driver Remote Code Execution Vulnerability",
      "component": "Microsoft Printer Drivers",
      "impact": "Remote Code Execution",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00497,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29346",
      "url": "https://patchblox.com/security/cve/CVE-2023-29346",
      "title": "NTFS Elevation of Privilege Vulnerability",
      "component": "Windows NTFS",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7.8,
      "epss": 0.00487,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32009",
      "url": "https://patchblox.com/security/cve/CVE-2023-32009",
      "title": "Windows Collaborative Translation Framework Elevation of Privilege Vulnerability",
      "component": "Windows Collaborative Translation Framework",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 8.8,
      "epss": 0.00425,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29364",
      "url": "https://patchblox.com/security/cve/CVE-2023-29364",
      "title": "Windows Authentication Elevation of Privilege Vulnerability",
      "component": "Windows Authentication Methods",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00372,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29368",
      "url": "https://patchblox.com/security/cve/CVE-2023-29368",
      "title": "Windows Filtering Platform Elevation of Privilege Vulnerability",
      "component": "Windows Filtering",
      "impact": "Elevation of Privilege",
      "priority": "High",
      "severity": "Important",
      "cvss": 7,
      "epss": 0.00372,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24937",
      "url": "https://patchblox.com/security/cve/CVE-2023-24937",
      "title": "Windows CryptoAPI  Denial of Service Vulnerability",
      "component": "Windows CryptoAPI",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.02082,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-24938",
      "url": "https://patchblox.com/security/cve/CVE-2023-24938",
      "title": "Windows CryptoAPI  Denial of Service Vulnerability",
      "component": "Windows CryptoAPI",
      "impact": "Denial of Service",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.01985,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32019",
      "url": "https://patchblox.com/security/cve/CVE-2023-32019",
      "title": "Windows Kernel Information Disclosure Vulnerability",
      "component": "Windows Kernel",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 4.7,
      "epss": 0.01371,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-29352",
      "url": "https://patchblox.com/security/cve/CVE-2023-29352",
      "title": "Windows Remote Desktop Security Feature Bypass Vulnerability",
      "component": "Remote Desktop Client",
      "impact": "Security Feature Bypass",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 6.5,
      "epss": 0.01167,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    },
    {
      "cveId": "CVE-2023-32016",
      "url": "https://patchblox.com/security/cve/CVE-2023-32016",
      "title": "Windows Installer Information Disclosure Vulnerability",
      "component": "Windows Installer",
      "impact": "Information Disclosure",
      "priority": "Routine",
      "severity": "Important",
      "cvss": 5.5,
      "epss": 0.00668,
      "kev": false,
      "ransomware": false,
      "exploited": false,
      "disclosed": false
    }
  ],
  "dataAsOf": "2026-11-07T06:34:28Z"
}