# KB4493474: April 2019 cumulative update for Windows 10 1703

KB4493474, released April 9, 2019, fixes 50 CVEs across 6 products. 4 of them are being exploited (CVE-2019-0752); 4 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4493474
- Platform: Microsoft
- Released: Apr 9, 2019
- Priority: Patch now (Closes CVE-2019-0752, exploited (CISA KEV, ransomware))
- CVEs: 50, exploited: 4, on CISA KEV: 4
- Vendor advisory: https://support.microsoft.com/help/4493474

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1703-for-32-bit-systems.md) |  | 15063.1746 |
| [Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1703-for-x64-based-systems.md) |  | 15063.1746 |
| [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1703-for-32-bit-systems.md) |  | 15063.1746 |
| [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1703-for-x64-based-systems.md) |  | 15063.1746 |
| [Windows 10 Version 1703 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1703-for-32-bit-systems.md) |  | 15063.1746 |
| [Windows 10 Version 1703 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1703-for-x64-based-systems.md) |  | 15063.1746 |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-0752](https://patchblox.com/security/data/cve/CVE-2019-0752.md) | Patch now | Microsoft Scripting Engine | 6.4 | 0.8168 | CISA KEV, Ransomware |
| [CVE-2019-0803](https://patchblox.com/security/data/cve/CVE-2019-0803.md) | Patch now | Microsoft Graphics Component | 7.0 | 0.4523 | CISA KEV, Ransomware |
| [CVE-2019-0841](https://patchblox.com/security/data/cve/CVE-2019-0841.md) | Patch now | Microsoft Windows | 6.8 | 0.4140 | CISA KEV, Ransomware |
| [CVE-2019-0859](https://patchblox.com/security/data/cve/CVE-2019-0859.md) | Patch now | Windows Kernel | 7.8 | 0.0419 | CISA KEV, Ransomware |
| [CVE-2019-0853](https://patchblox.com/security/data/cve/CVE-2019-0853.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.3005 |  |
| [CVE-2019-0795](https://patchblox.com/security/data/cve/CVE-2019-0795.md) | Urgent | Microsoft XML | 7.8 | 0.2132 |  |
| [CVE-2019-0812](https://patchblox.com/security/data/cve/CVE-2019-0812.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1866 | More likely |
| [CVE-2019-0791](https://patchblox.com/security/data/cve/CVE-2019-0791.md) | Urgent | Microsoft XML | 7.8 | 0.1818 |  |
| [CVE-2019-0792](https://patchblox.com/security/data/cve/CVE-2019-0792.md) | Urgent | Microsoft XML | 7.8 | 0.1818 |  |
| [CVE-2019-0793](https://patchblox.com/security/data/cve/CVE-2019-0793.md) | Urgent | Microsoft XML | 7.8 | 0.1818 | More likely |
| [CVE-2019-0790](https://patchblox.com/security/data/cve/CVE-2019-0790.md) | Urgent | Microsoft XML | 7.8 | 0.1620 |  |
| [CVE-2019-0794](https://patchblox.com/security/data/cve/CVE-2019-0794.md) | Urgent | Microsoft Windows | 7.8 | 0.1548 | More likely |
| [CVE-2019-0845](https://patchblox.com/security/data/cve/CVE-2019-0845.md) | Urgent | Microsoft Windows | 7.5 | 0.1481 |  |
| [CVE-2019-0810](https://patchblox.com/security/data/cve/CVE-2019-0810.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1153 | More likely |
| [CVE-2019-0739](https://patchblox.com/security/data/cve/CVE-2019-0739.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1111 | More likely |
| [CVE-2019-0861](https://patchblox.com/security/data/cve/CVE-2019-0861.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1111 | More likely |
| [CVE-2019-0862](https://patchblox.com/security/data/cve/CVE-2019-0862.md) | Urgent | Microsoft Scripting Engine | n/a | 0.1111 | More likely |
| [CVE-2019-0860](https://patchblox.com/security/data/cve/CVE-2019-0860.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1080 | More likely |
| [CVE-2019-0753](https://patchblox.com/security/data/cve/CVE-2019-0753.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.0922 | More likely |
| [CVE-2019-0806](https://patchblox.com/security/data/cve/CVE-2019-0806.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0896 | More likely |
| [CVE-2019-0829](https://patchblox.com/security/data/cve/CVE-2019-0829.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0896 | More likely |
| [CVE-2019-0731](https://patchblox.com/security/data/cve/CVE-2019-0731.md) | Urgent | Microsoft Windows | 6.8 | 0.0435 | More likely |
| [CVE-2019-0730](https://patchblox.com/security/data/cve/CVE-2019-0730.md) | Urgent | Microsoft Windows | 6.7 | 0.0435 | More likely |
| [CVE-2019-0836](https://patchblox.com/security/data/cve/CVE-2019-0836.md) | Urgent | Microsoft Windows | 7.0 | 0.0430 | More likely |
| [CVE-2019-0796](https://patchblox.com/security/data/cve/CVE-2019-0796.md) | Urgent | Microsoft Windows | 6.3 | 0.0424 | More likely |
| [CVE-2019-0732](https://patchblox.com/security/data/cve/CVE-2019-0732.md) | Urgent | Microsoft Windows | 5.3 | 0.0378 | More likely |
| [CVE-2019-0735](https://patchblox.com/security/data/cve/CVE-2019-0735.md) | Urgent | CSRSS | 7.0 | 0.0366 | More likely |
| [CVE-2019-0805](https://patchblox.com/security/data/cve/CVE-2019-0805.md) | Urgent | Microsoft Windows | 6.7 | 0.0279 | More likely |
| [CVE-2019-0844](https://patchblox.com/security/data/cve/CVE-2019-0844.md) | Urgent | Windows Kernel | 5.5 | 0.0213 | More likely |
| [CVE-2019-0814](https://patchblox.com/security/data/cve/CVE-2019-0814.md) | Urgent | Microsoft Windows | 4.7 | 0.0213 | More likely |
| [CVE-2019-0685](https://patchblox.com/security/data/cve/CVE-2019-0685.md) | Urgent | Microsoft Windows | 7.8 | 0.0165 | More likely |
| [CVE-2019-0674](https://patchblox.com/security/data/cve/CVE-2019-0674.md) | High | Microsoft Office | 7.8 | 0.1841 |  |
| [CVE-2019-0846](https://patchblox.com/security/data/cve/CVE-2019-0846.md) | High | Microsoft JET Database Engine | 7.8 | 0.1612 |  |
| [CVE-2019-0847](https://patchblox.com/security/data/cve/CVE-2019-0847.md) | High | Microsoft JET Database Engine | 7.8 | 0.1612 |  |
| [CVE-2019-0851](https://patchblox.com/security/data/cve/CVE-2019-0851.md) | High | Microsoft JET Database Engine | 7.8 | 0.1612 |  |
| [CVE-2019-0671](https://patchblox.com/security/data/cve/CVE-2019-0671.md) | High | Microsoft Office | 7.8 | 0.1482 |  |
| [CVE-2019-0673](https://patchblox.com/security/data/cve/CVE-2019-0673.md) | High | Microsoft Office | 7.8 | 0.1482 |  |
| [CVE-2019-0879](https://patchblox.com/security/data/cve/CVE-2019-0879.md) | High | Microsoft JET Database Engine | 7.8 | 0.0979 |  |
| [CVE-2019-0877](https://patchblox.com/security/data/cve/CVE-2019-0877.md) | High | Microsoft JET Database Engine | 7.8 | 0.0495 |  |
| [CVE-2019-0856](https://patchblox.com/security/data/cve/CVE-2019-0856.md) | Routine | Windows Kernel | 6.6 | 0.1941 |  |
| [CVE-2019-0842](https://patchblox.com/security/data/cve/CVE-2019-0842.md) | Routine | Microsoft Windows | 6.4 | 0.1803 |  |
| [CVE-2019-0802](https://patchblox.com/security/data/cve/CVE-2019-0802.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0953 |  |
| [CVE-2019-0849](https://patchblox.com/security/data/cve/CVE-2019-0849.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0953 |  |
| [CVE-2019-0688](https://patchblox.com/security/data/cve/CVE-2019-0688.md) | Routine | Microsoft Windows | 5.3 | 0.0850 |  |
| [CVE-2019-0835](https://patchblox.com/security/data/cve/CVE-2019-0835.md) | Routine | Microsoft Scripting Engine | 4.3 | 0.0674 |  |
| [CVE-2019-0764](https://patchblox.com/security/data/cve/CVE-2019-0764.md) | Routine | Microsoft Browsers | 6.3 | 0.0364 |  |
| [CVE-2019-0839](https://patchblox.com/security/data/cve/CVE-2019-0839.md) | Routine | Microsoft Windows | 4.4 | 0.0220 |  |
| [CVE-2019-0848](https://patchblox.com/security/data/cve/CVE-2019-0848.md) | Routine | Microsoft Windows | 4.7 | 0.0213 |  |
| [CVE-2019-0837](https://patchblox.com/security/data/cve/CVE-2019-0837.md) | Routine | Microsoft Windows | 5.5 | 0.0207 |  |
| [CVE-2019-0838](https://patchblox.com/security/data/cve/CVE-2019-0838.md) | Routine | Microsoft Windows | 6.6 | 0.0206 |  |

---

Data as of 2026-11-07T18:46:35Z 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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