# KB4503293: June 2019 cumulative update for Windows 10 1903 KB4503293, released June 11, 2019, fixes 59 CVEs across 10 products. 2 of them are being exploited (CVE-2019-1064); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb4503293 - Platform: Microsoft - Released: Jun 11, 2019 - Priority: Patch now (Closes CVE-2019-1064, exploited (CISA KEV, ransomware)) - CVEs: 59, exploited: 2, on CISA KEV: 2 - Vendor advisory: https://support.microsoft.com/help/4503293 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Internet Explorer 11 on Windows 10 Version 1903 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1903-for-32-bit-systems.md) | | 18362.175 | | [Internet Explorer 11 on Windows 10 Version 1903 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1903-for-arm64-based-systems.md) | | 18362.175 | | [Internet Explorer 11 on Windows 10 Version 1903 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1903-for-x64-based-systems.md) | | 18362.175 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1903-for-32-bit-systems.md) | | 18362.175 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1903-for-arm64-based-systems.md) | | 18362.175 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1903 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1903-for-x64-based-systems.md) | | 18362.175 | | [Windows 10 Version 1903 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1903-for-32-bit-systems.md) | | 18362.175 | | [Windows 10 Version 1903 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1903-for-arm64-based-systems.md) | | 18362.175 | | [Windows 10 Version 1903 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1903-for-x64-based-systems.md) | | 18362.175 | | [Windows Server, version 1903 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-version-1903-server-core-installation.md) | | 18362.175 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2019-1064](https://patchblox.com/security/data/cve/CVE-2019-1064.md) | Patch now | Microsoft Windows | 7.8 | 0.0689 | CISA KEV, Ransomware, Disclosed | | [CVE-2019-1069](https://patchblox.com/security/data/cve/CVE-2019-1069.md) | Patch now | Microsoft Windows | 7.8 | 0.0617 | CISA KEV, Ransomware, Disclosed | | [CVE-2019-0888](https://patchblox.com/security/data/cve/CVE-2019-0888.md) | Urgent | Microsoft Windows | 8.8 | 0.1113 | | | [CVE-2019-0988](https://patchblox.com/security/data/cve/CVE-2019-0988.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0574 | More likely | | [CVE-2019-0920](https://patchblox.com/security/data/cve/CVE-2019-0920.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0552 | More likely | | [CVE-2019-0990](https://patchblox.com/security/data/cve/CVE-2019-0990.md) | Urgent | Microsoft Scripting Engine | 6.5 | 0.0541 | More likely | | [CVE-2019-1023](https://patchblox.com/security/data/cve/CVE-2019-1023.md) | Urgent | Microsoft Scripting Engine | 6.5 | 0.0541 | More likely | | [CVE-2019-1025](https://patchblox.com/security/data/cve/CVE-2019-1025.md) | Urgent | Microsoft Windows | 6.5 | 0.0539 | More likely | | [CVE-2019-0722](https://patchblox.com/security/data/cve/CVE-2019-0722.md) | Urgent | Microsoft Windows | 8.8 | 0.0472 | | | [CVE-2019-1051](https://patchblox.com/security/data/cve/CVE-2019-1051.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0412 | More likely | | [CVE-2019-0959](https://patchblox.com/security/data/cve/CVE-2019-0959.md) | Urgent | Microsoft Windows | 7.0 | 0.0354 | More likely | | [CVE-2019-1005](https://patchblox.com/security/data/cve/CVE-2019-1005.md) | Urgent | VBScript | 6.4 | 0.0335 | More likely | | [CVE-2019-1055](https://patchblox.com/security/data/cve/CVE-2019-1055.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.0335 | More likely | | [CVE-2019-1038](https://patchblox.com/security/data/cve/CVE-2019-1038.md) | Urgent | Microsoft Browsers | 6.4 | 0.0332 | More likely | | [CVE-2019-1080](https://patchblox.com/security/data/cve/CVE-2019-1080.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.0332 | More likely | | [CVE-2019-0992](https://patchblox.com/security/data/cve/CVE-2019-0992.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0256 | More likely | | [CVE-2019-0991](https://patchblox.com/security/data/cve/CVE-2019-0991.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0247 | More likely | | [CVE-2019-0993](https://patchblox.com/security/data/cve/CVE-2019-0993.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0247 | More likely | | [CVE-2019-0989](https://patchblox.com/security/data/cve/CVE-2019-0989.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0240 | More likely | | [CVE-2019-1003](https://patchblox.com/security/data/cve/CVE-2019-1003.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0240 | More likely | | [CVE-2019-1024](https://patchblox.com/security/data/cve/CVE-2019-1024.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0240 | More likely | | [CVE-2019-1052](https://patchblox.com/security/data/cve/CVE-2019-1052.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0240 | More likely | | [CVE-2019-0943](https://patchblox.com/security/data/cve/CVE-2019-0943.md) | Urgent | Microsoft Windows | 7.8 | 0.0237 | More likely | | [CVE-2019-1081](https://patchblox.com/security/data/cve/CVE-2019-1081.md) | Urgent | Microsoft Browsers | 4.2 | 0.0234 | More likely | | [CVE-2019-0986](https://patchblox.com/security/data/cve/CVE-2019-0986.md) | Urgent | Windows Shell | 6.3 | 0.0207 | More likely | | [CVE-2019-1054](https://patchblox.com/security/data/cve/CVE-2019-1054.md) | Urgent | Microsoft Edge | 5.0 | 0.0160 | More likely | | [CVE-2019-0620](https://patchblox.com/security/data/cve/CVE-2019-0620.md) | Urgent | Windows Hyper-V | 7.6 | 0.0144 | | | [CVE-2019-1053](https://patchblox.com/security/data/cve/CVE-2019-1053.md) | Urgent | Windows Shell | 6.3 | 0.0132 | Disclosed | | [CVE-2019-1065](https://patchblox.com/security/data/cve/CVE-2019-1065.md) | Urgent | Windows Kernel | 7.8 | 0.0117 | More likely | | [CVE-2019-0983](https://patchblox.com/security/data/cve/CVE-2019-0983.md) | Urgent | Microsoft Windows | 7.8 | 0.0107 | More likely | | [CVE-2019-1041](https://patchblox.com/security/data/cve/CVE-2019-1041.md) | Urgent | Windows Kernel | 7.0 | 0.0102 | More likely | | [CVE-2019-0984](https://patchblox.com/security/data/cve/CVE-2019-0984.md) | Urgent | Microsoft Windows | 7.0 | 0.0090 | More likely | | [CVE-2019-1017](https://patchblox.com/security/data/cve/CVE-2019-1017.md) | Urgent | Windows Kernel | 7.0 | 0.0090 | More likely | | [CVE-2019-1019](https://patchblox.com/security/data/cve/CVE-2019-1019.md) | High | Windows NTLM | 8.5 | 0.1512 | | | [CVE-2019-0906](https://patchblox.com/security/data/cve/CVE-2019-0906.md) | High | Microsoft JET Database Engine | 7.8 | 0.0571 | | | [CVE-2019-0908](https://patchblox.com/security/data/cve/CVE-2019-0908.md) | High | Microsoft JET Database Engine | 7.8 | 0.0456 | | | [CVE-2019-0904](https://patchblox.com/security/data/cve/CVE-2019-0904.md) | High | Microsoft JET Database Engine | 7.8 | 0.0407 | | | [CVE-2019-0905](https://patchblox.com/security/data/cve/CVE-2019-0905.md) | High | Microsoft JET Database Engine | 7.8 | 0.0407 | | | [CVE-2019-0907](https://patchblox.com/security/data/cve/CVE-2019-0907.md) | High | Microsoft JET Database Engine | 7.8 | 0.0407 | | | [CVE-2019-0974](https://patchblox.com/security/data/cve/CVE-2019-0974.md) | High | Microsoft JET Database Engine | 7.8 | 0.0407 | | | [CVE-2019-0909](https://patchblox.com/security/data/cve/CVE-2019-0909.md) | High | Microsoft JET Database Engine | 7.8 | 0.0360 | | | [CVE-2019-0941](https://patchblox.com/security/data/cve/CVE-2019-0941.md) | High | Windows IIS | 7.5 | 0.0304 | | | [CVE-2019-0973](https://patchblox.com/security/data/cve/CVE-2019-0973.md) | High | Windows Installer | 7.8 | 0.0106 | Disclosed | | [CVE-2019-1014](https://patchblox.com/security/data/cve/CVE-2019-1014.md) | High | Windows Kernel | 7.0 | 0.0090 | | | [CVE-2019-1021](https://patchblox.com/security/data/cve/CVE-2019-1021.md) | High | Windows Media | 7.8 | 0.0088 | | | [CVE-2019-1022](https://patchblox.com/security/data/cve/CVE-2019-1022.md) | High | Windows Media | 7.8 | 0.0088 | | | [CVE-2019-1026](https://patchblox.com/security/data/cve/CVE-2019-1026.md) | High | Windows Media | 7.8 | 0.0088 | | | [CVE-2019-1027](https://patchblox.com/security/data/cve/CVE-2019-1027.md) | High | Windows Media | 7.8 | 0.0088 | | | [CVE-2019-1028](https://patchblox.com/security/data/cve/CVE-2019-1028.md) | High | Windows Media | 7.8 | 0.0088 | | | [CVE-2019-1007](https://patchblox.com/security/data/cve/CVE-2019-1007.md) | High | Windows Media | 7.8 | 0.0077 | | | [CVE-2019-1040](https://patchblox.com/security/data/cve/CVE-2019-1040.md) | Routine | Windows Authentication Methods | 5.3 | 0.4804 | | | [CVE-2019-0948](https://patchblox.com/security/data/cve/CVE-2019-0948.md) | Routine | Microsoft Windows | 4.7 | 0.1267 | | | [CVE-2019-0972](https://patchblox.com/security/data/cve/CVE-2019-0972.md) | Routine | Kerberos | 6.5 | 0.0579 | | | [CVE-2019-1010](https://patchblox.com/security/data/cve/CVE-2019-1010.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0431 | | | [CVE-2019-1012](https://patchblox.com/security/data/cve/CVE-2019-1012.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0431 | | | [CVE-2019-1046](https://patchblox.com/security/data/cve/CVE-2019-1046.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0431 | | | [CVE-2019-1050](https://patchblox.com/security/data/cve/CVE-2019-1050.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0431 | | | [CVE-2019-1043](https://patchblox.com/security/data/cve/CVE-2019-1043.md) | Routine | Microsoft Windows | 6.4 | 0.0303 | | | [CVE-2019-1039](https://patchblox.com/security/data/cve/CVE-2019-1039.md) | Routine | Windows Kernel | 5.5 | 0.0135 | | --- Data as of 2026-11-07T06:34:28Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo