# KB4489871: March 2019 cumulative update for Windows 10 1703

KB4489871, released March 12, 2019, fixes 43 CVEs across 6 products. 2 of them are being exploited (CVE-2019-0703); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4489871
- Platform: Microsoft
- Released: Mar 12, 2019
- Priority: Patch now (Closes CVE-2019-0703, exploited (CISA KEV))
- CVEs: 43, exploited: 2, on CISA KEV: 2
- Vendor advisory: https://support.microsoft.com/help/4489871

## 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) |  | 15063.1689 |
| [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) |  | 15063.1689 |
| [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) |  | 15063.1689 |
| [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) |  | 15063.1689 |
| [Windows 10 Version 1703 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1703-for-32-bit-systems.md) |  | 15063.1689 |
| [Windows 10 Version 1703 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1703-for-x64-based-systems.md) |  | 15063.1689 |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-0703](https://patchblox.com/security/data/cve/CVE-2019-0703.md) | Patch now | Windows SMB Server | 6.5 | 0.0939 | CISA KEV |
| [CVE-2019-0797](https://patchblox.com/security/data/cve/CVE-2019-0797.md) | Patch now | Microsoft Graphics Component | 7.0 | 0.0187 | CISA KEV |
| [CVE-2019-0667](https://patchblox.com/security/data/cve/CVE-2019-0667.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.3126 | More likely |
| [CVE-2019-0666](https://patchblox.com/security/data/cve/CVE-2019-0666.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.1989 | More likely |
| [CVE-2019-0756](https://patchblox.com/security/data/cve/CVE-2019-0756.md) | Urgent | Microsoft XML | 7.5 | 0.1250 |  |
| [CVE-2019-0612](https://patchblox.com/security/data/cve/CVE-2019-0612.md) | Urgent | Microsoft Edge | 4.3 | 0.1051 | More likely |
| [CVE-2019-0769](https://patchblox.com/security/data/cve/CVE-2019-0769.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1034 | More likely |
| [CVE-2019-0771](https://patchblox.com/security/data/cve/CVE-2019-0771.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1034 | More likely |
| [CVE-2019-0773](https://patchblox.com/security/data/cve/CVE-2019-0773.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1034 | More likely |
| [CVE-2019-0609](https://patchblox.com/security/data/cve/CVE-2019-0609.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0985 | More likely |
| [CVE-2019-0665](https://patchblox.com/security/data/cve/CVE-2019-0665.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0826 | More likely |
| [CVE-2019-0784](https://patchblox.com/security/data/cve/CVE-2019-0784.md) | Urgent | Microsoft Windows | 4.2 | 0.0826 |  |
| [CVE-2019-0680](https://patchblox.com/security/data/cve/CVE-2019-0680.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0810 | More likely |
| [CVE-2019-0763](https://patchblox.com/security/data/cve/CVE-2019-0763.md) | Urgent | Internet Explorer | 6.4 | 0.0810 | More likely |
| [CVE-2019-0783](https://patchblox.com/security/data/cve/CVE-2019-0783.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.0810 | More likely |
| [CVE-2019-0770](https://patchblox.com/security/data/cve/CVE-2019-0770.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0810 | More likely |
| [CVE-2019-0780](https://patchblox.com/security/data/cve/CVE-2019-0780.md) | Urgent | Microsoft Browsers | 4.2 | 0.0799 | More likely |
| [CVE-2019-0779](https://patchblox.com/security/data/cve/CVE-2019-0779.md) | Urgent | Microsoft Edge | 4.2 | 0.0787 | More likely |
| [CVE-2019-0821](https://patchblox.com/security/data/cve/CVE-2019-0821.md) | Urgent | Windows SMB Server | 6.5 | 0.0622 | More likely |
| [CVE-2019-0704](https://patchblox.com/security/data/cve/CVE-2019-0704.md) | Urgent | Windows SMB Server | 6.5 | 0.0558 | More likely |
| [CVE-2019-0755](https://patchblox.com/security/data/cve/CVE-2019-0755.md) | Urgent | Windows Kernel | 5.5 | 0.0235 | More likely |
| [CVE-2019-0767](https://patchblox.com/security/data/cve/CVE-2019-0767.md) | Urgent | Windows Kernel | 4.7 | 0.0179 | More likely |
| [CVE-2019-0775](https://patchblox.com/security/data/cve/CVE-2019-0775.md) | Urgent | Windows Kernel | 4.7 | 0.0124 | More likely |
| [CVE-2019-0696](https://patchblox.com/security/data/cve/CVE-2019-0696.md) | Urgent | Windows Kernel | 7.0 | 0.0108 | More likely |
| [CVE-2019-0617](https://patchblox.com/security/data/cve/CVE-2019-0617.md) | High | Microsoft JET Database Engine | 7.8 | 0.1951 |  |
| [CVE-2019-0765](https://patchblox.com/security/data/cve/CVE-2019-0765.md) | High | Microsoft Windows | 7.5 | 0.1433 |  |
| [CVE-2019-0682](https://patchblox.com/security/data/cve/CVE-2019-0682.md) | High | Windows Subsystem for Linux | 7.0 | 0.0093 |  |
| [CVE-2019-0772](https://patchblox.com/security/data/cve/CVE-2019-0772.md) | Routine | Microsoft Scripting Engine | 6.4 | 0.1316 |  |
| [CVE-2019-0611](https://patchblox.com/security/data/cve/CVE-2019-0611.md) | Routine | Microsoft Scripting Engine | 4.3 | 0.0922 |  |
| [CVE-2019-0774](https://patchblox.com/security/data/cve/CVE-2019-0774.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0699 |  |
| [CVE-2019-0614](https://patchblox.com/security/data/cve/CVE-2019-0614.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0655 |  |
| [CVE-2019-0746](https://patchblox.com/security/data/cve/CVE-2019-0746.md) | Routine | Microsoft Scripting Engine | 4.2 | 0.0655 |  |
| [CVE-2019-0678](https://patchblox.com/security/data/cve/CVE-2019-0678.md) | Routine | Microsoft Edge | 4.2 | 0.0609 |  |
| [CVE-2019-0761](https://patchblox.com/security/data/cve/CVE-2019-0761.md) | Routine | Internet Explorer | n/a | 0.0385 |  |
| [CVE-2019-0690](https://patchblox.com/security/data/cve/CVE-2019-0690.md) | Routine | Windows Hyper-V | 6.8 | 0.0190 |  |
| [CVE-2019-0695](https://patchblox.com/security/data/cve/CVE-2019-0695.md) | Routine | Windows Hyper-V | 6.8 | 0.0190 |  |
| [CVE-2019-0601](https://patchblox.com/security/data/cve/CVE-2019-0601.md) | Routine | Microsoft Windows | 4.7 | 0.0185 |  |
| [CVE-2019-0759](https://patchblox.com/security/data/cve/CVE-2019-0759.md) | Routine | Windows Print Spooler Components | 4.7 | 0.0173 |  |
| [CVE-2019-0702](https://patchblox.com/security/data/cve/CVE-2019-0702.md) | Routine | Windows Kernel | 5.5 | 0.0162 |  |
| [CVE-2019-0754](https://patchblox.com/security/data/cve/CVE-2019-0754.md) | Routine | Microsoft Windows | 5.5 | 0.0162 | Disclosed |
| [CVE-2019-0776](https://patchblox.com/security/data/cve/CVE-2019-0776.md) | Routine | Windows Kernel-Mode Drivers | 4.7 | 0.0162 |  |
| [CVE-2019-0782](https://patchblox.com/security/data/cve/CVE-2019-0782.md) | Routine | Windows Kernel | 4.7 | 0.0162 |  |
| [CVE-2019-0766](https://patchblox.com/security/data/cve/CVE-2019-0766.md) | Routine | Microsoft Windows | 6.7 | 0.0108 |  |

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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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