# KB4494440: May 2019 cumulative update for Windows 10 1607 KB4494440, released May 14, 2019, fixes 52 CVEs across 18 products. 2 of them are being exploited (CVE-2019-0903); 2 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb4494440 - Platform: Microsoft - Released: May 14, 2019 - Priority: Patch now (Closes CVE-2019-0903, exploited (CISA KEV)) - CVEs: 52, exploited: 2, on CISA KEV: 2 - Vendor advisory: https://support.microsoft.com/help/4494440 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Internet Explorer 11 on Windows 10 Version 1607 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1607-for-32-bit-systems.md) | | 14393.2969 | | [Internet Explorer 11 on Windows 10 Version 1607 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1607-for-x64-based-systems.md) | | 14393.2969 | | [Internet Explorer 11 on Windows Server 2016](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2016.md) | | 14393.2969 | | [Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-10-version-1607-for-32-bit-systems.md) | | 14393.2969 | | [Microsoft .NET Framework 3.5 on Windows 10 Version 1607 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-10-version-1607-for-x64-based-systems.md) | | 14393.2969 | | [Microsoft .NET Framework 3.5 on Windows Server 2016](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-server-2016.md) | | 14393.2969 | | [Microsoft .NET Framework 3.5 on Windows Server 2016 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-server-2016-server-core-installation.md) | | 14393.2969 | | [Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6.2-4.7-4.7.1-4.7.2-on-windows-10-version-1607-for-32-bit-systems.md) | | 14393.2969 | | [Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6.2-4.7-4.7.1-4.7.2-on-windows-10-version-1607-for-x64-based-systems.md) | | 14393.2969 | | [Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6.2-4.7-4.7.1-4.7.2-on-windows-server-2016.md) | | 14393.2969 | | [Microsoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6.2-4.7-4.7.1-4.7.2-on-windows-server-2016-server-core-installation.md) | | 14393.2969 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1607-for-32-bit-systems.md) | | 14393.2969 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1607 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1607-for-x64-based-systems.md) | | 14393.2969 | | [Microsoft Edge (EdgeHTML-based) on Windows Server 2016](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-server-2016.md) | | 14393.2969 | | [Windows 10 Version 1607 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1607-for-32-bit-systems.md) | | 14393.2969 | | [Windows 10 Version 1607 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1607-for-x64-based-systems.md) | | 14393.2969 | | [Windows Server 2016](https://patchblox.com/security/data/product/microsoft/windows-server-2016.md) | | 14393.2969 | | [Windows Server 2016 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2016-server-core-installation.md) | | 14393.2969 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2019-0903](https://patchblox.com/security/data/cve/CVE-2019-0903.md) | Patch now | Microsoft Graphics Component | 8.8 | 0.2171 | CISA KEV | | [CVE-2019-0863](https://patchblox.com/security/data/cve/CVE-2019-0863.md) | Patch now | Microsoft Windows | 7.8 | 0.0521 | CISA KEV, Disclosed | | [CVE-2019-0725](https://patchblox.com/security/data/cve/CVE-2019-0725.md) | Urgent | Windows DHCP Server | 8.1 | 0.2823 | | | [CVE-2019-0940](https://patchblox.com/security/data/cve/CVE-2019-0940.md) | Urgent | Microsoft Browsers | 4.2 | 0.2310 | More likely | | [CVE-2019-0885](https://patchblox.com/security/data/cve/CVE-2019-0885.md) | Urgent | Microsoft Windows | 7.8 | 0.1435 | More likely | | [CVE-2019-0758](https://patchblox.com/security/data/cve/CVE-2019-0758.md) | Urgent | Microsoft Graphics Component | 4.7 | 0.1232 | More likely | | [CVE-2019-0912](https://patchblox.com/security/data/cve/CVE-2019-0912.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0913](https://patchblox.com/security/data/cve/CVE-2019-0913.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0914](https://patchblox.com/security/data/cve/CVE-2019-0914.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0915](https://patchblox.com/security/data/cve/CVE-2019-0915.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0916](https://patchblox.com/security/data/cve/CVE-2019-0916.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0917](https://patchblox.com/security/data/cve/CVE-2019-0917.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0922](https://patchblox.com/security/data/cve/CVE-2019-0922.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0924](https://patchblox.com/security/data/cve/CVE-2019-0924.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0925](https://patchblox.com/security/data/cve/CVE-2019-0925.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0927](https://patchblox.com/security/data/cve/CVE-2019-0927.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0933](https://patchblox.com/security/data/cve/CVE-2019-0933.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0922 | | | [CVE-2019-0911](https://patchblox.com/security/data/cve/CVE-2019-0911.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0909 | More likely | | [CVE-2019-0918](https://patchblox.com/security/data/cve/CVE-2019-0918.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0799 | More likely | | [CVE-2019-0884](https://patchblox.com/security/data/cve/CVE-2019-0884.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0751 | More likely | | [CVE-2019-0882](https://patchblox.com/security/data/cve/CVE-2019-0882.md) | Urgent | Microsoft Graphics Component | 4.7 | 0.0699 | More likely | | [CVE-2019-0961](https://patchblox.com/security/data/cve/CVE-2019-0961.md) | Urgent | Microsoft Graphics Component | 4.7 | 0.0699 | More likely | | [CVE-2019-0930](https://patchblox.com/security/data/cve/CVE-2019-0930.md) | Urgent | Internet Explorer | 4.3 | 0.0655 | More likely | | [CVE-2019-0938](https://patchblox.com/security/data/cve/CVE-2019-0938.md) | Urgent | Microsoft Edge | 4.2 | 0.0344 | More likely | | [CVE-2019-0881](https://patchblox.com/security/data/cve/CVE-2019-0881.md) | Urgent | Windows Kernel | 8.8 | 0.0264 | More likely | | [CVE-2019-0936](https://patchblox.com/security/data/cve/CVE-2019-0936.md) | Urgent | Microsoft Windows | 7.8 | 0.0130 | More likely | | [CVE-2019-0707](https://patchblox.com/security/data/cve/CVE-2019-0707.md) | Urgent | Windows NDIS | 7.0 | 0.0095 | More likely | | [CVE-2019-0889](https://patchblox.com/security/data/cve/CVE-2019-0889.md) | High | Microsoft JET Database Engine | 7.8 | 0.2012 | | | [CVE-2019-0891](https://patchblox.com/security/data/cve/CVE-2019-0891.md) | High | Microsoft JET Database Engine | 7.8 | 0.2012 | | | [CVE-2019-0899](https://patchblox.com/security/data/cve/CVE-2019-0899.md) | High | Microsoft JET Database Engine | 7.8 | 0.2012 | | | [CVE-2019-0902](https://patchblox.com/security/data/cve/CVE-2019-0902.md) | High | Microsoft JET Database Engine | 7.8 | 0.1914 | | | [CVE-2019-0890](https://patchblox.com/security/data/cve/CVE-2019-0890.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 | | | [CVE-2019-0893](https://patchblox.com/security/data/cve/CVE-2019-0893.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 | | | [CVE-2019-0894](https://patchblox.com/security/data/cve/CVE-2019-0894.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 | | | [CVE-2019-0895](https://patchblox.com/security/data/cve/CVE-2019-0895.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 | | | [CVE-2019-0896](https://patchblox.com/security/data/cve/CVE-2019-0896.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 | | | [CVE-2019-0897](https://patchblox.com/security/data/cve/CVE-2019-0897.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 | | | [CVE-2019-0898](https://patchblox.com/security/data/cve/CVE-2019-0898.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 | | | [CVE-2019-0900](https://patchblox.com/security/data/cve/CVE-2019-0900.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 | | | [CVE-2019-0901](https://patchblox.com/security/data/cve/CVE-2019-0901.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 | | | [CVE-2019-0820](https://patchblox.com/security/data/cve/CVE-2019-0820.md) | High | .NET Framework | 7.5 | 0.0572 | | | [CVE-2019-0980](https://patchblox.com/security/data/cve/CVE-2019-0980.md) | High | .NET Core | 7.5 | 0.0498 | | | [CVE-2019-0981](https://patchblox.com/security/data/cve/CVE-2019-0981.md) | High | .NET Core | 7.5 | 0.0498 | | | [CVE-2019-0995](https://patchblox.com/security/data/cve/CVE-2019-0995.md) | High | Internet Explorer | 7.3 | 0.0495 | | | [CVE-2019-0734](https://patchblox.com/security/data/cve/CVE-2019-0734.md) | High | Kerberos | 7.8 | 0.0421 | | | [CVE-2019-0864](https://patchblox.com/security/data/cve/CVE-2019-0864.md) | High | .NET Framework | n/a | 0.0135 | | | [CVE-2019-0923](https://patchblox.com/security/data/cve/CVE-2019-0923.md) | Routine | Microsoft Scripting Engine | 4.2 | 0.0903 | | | [CVE-2019-0921](https://patchblox.com/security/data/cve/CVE-2019-0921.md) | Routine | Internet Explorer | 4.3 | 0.0331 | | | [CVE-2019-0886](https://patchblox.com/security/data/cve/CVE-2019-0886.md) | Routine | Microsoft Windows | 5.5 | 0.0172 | | | [CVE-2019-0733](https://patchblox.com/security/data/cve/CVE-2019-0733.md) | Routine | Microsoft Windows | 5.3 | 0.0123 | | | [CVE-2019-0727](https://patchblox.com/security/data/cve/CVE-2019-0727.md) | Routine | Windows Diagnostic Hub | 6.7 | 0.0105 | | | [CVE-2019-0942](https://patchblox.com/security/data/cve/CVE-2019-0942.md) | Routine | Microsoft Windows | 4.4 | 0.0104 | | --- 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