# KB4494441: May 2019 cumulative update for Windows 10 1809

KB4494441, released May 14, 2019, fixes 53 CVEs across 13 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/kb4494441
- Platform: Microsoft
- Released: May 14, 2019
- Priority: Patch now (Closes CVE-2019-0903, exploited (CISA KEV))
- CVEs: 53, exploited: 2, on CISA KEV: 2
- Vendor advisory: https://support.microsoft.com/help/4494441

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Internet Explorer 11 on Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1809-for-32-bit-systems.md) |  | 17763.503 |
| [Internet Explorer 11 on Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1809-for-arm64-based-systems.md) |  | 17763.503 |
| [Internet Explorer 11 on Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1809-for-x64-based-systems.md) |  | 17763.503 |
| [Internet Explorer 11 on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2019.md) |  | 17763.503 |
| [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1809-for-32-bit-systems.md) |  | 17763.503 |
| [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1809-for-arm64-based-systems.md) |  | 17763.503 |
| [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1809-for-x64-based-systems.md) |  | 17763.503 |
| [Microsoft Edge (EdgeHTML-based) on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-server-2019.md) |  | 17763.503 |
| [Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-32-bit-systems.md) |  | 17763.503 |
| [Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-arm64-based-systems.md) |  | 17763.503 |
| [Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-x64-based-systems.md) |  | 17763.503 |
| [Windows Server 2019](https://patchblox.com/security/data/product/microsoft/windows-server-2019.md) |  | 17763.503 |
| [Windows Server 2019 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2019-server-core-installation.md) |  | 17763.503 |

## 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-2019-0937](https://patchblox.com/security/data/cve/CVE-2019-0937.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-2019-0929](https://patchblox.com/security/data/cve/CVE-2019-0929.md) | Urgent | Internet Explorer | 7.5 | 0.0810 | More likely |
| [CVE-2019-0926](https://patchblox.com/security/data/cve/CVE-2019-0926.md) | Urgent | Microsoft Edge | 4.2 | 0.0810 | 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-2019-0892](https://patchblox.com/security/data/cve/CVE-2019-0892.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0108 | 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-2019-0931](https://patchblox.com/security/data/cve/CVE-2019-0931.md) | Urgent | Microsoft Windows | 7.0 | 0.0085 | 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-2019-0995](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-2019-0923](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 |  |

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Data as of 2026-11-07T12:40:37Z 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

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