# KB4015547: April 2017 security update

KB4015547, released April 11, 2017, fixes 24 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb4015547
- Platform: Microsoft
- Released: Apr 11, 2017
- Priority: Urgent (Closes CVE-2017-0211, exploitation more likely)
- CVEs: 24, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4015547

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows 8.1 for 32-bit systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-32-bit-systems.md) |  |  |
| [Windows 8.1 for x64-based systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-x64-based-systems.md) |  |  |
| [Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2.md) |  |  |
| [Windows Server 2012 R2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2017-0211](https://patchblox.com/security/data/cve/CVE-2017-0211.md) | Urgent | Microsoft Windows | 5.0 | 0.1409 | More likely |
| [CVE-2017-0158](https://patchblox.com/security/data/cve/CVE-2017-0158.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.1279 | More likely |
| [CVE-2017-0180](https://patchblox.com/security/data/cve/CVE-2017-0180.md) | Urgent | Windows Hyper-V | 7.6 | 0.0330 |  |
| [CVE-2017-0162](https://patchblox.com/security/data/cve/CVE-2017-0162.md) | Urgent | Windows Hyper-V | 7.6 | 0.0315 |  |
| [CVE-2017-0163](https://patchblox.com/security/data/cve/CVE-2017-0163.md) | Urgent | Windows Hyper-V | 7.6 | 0.0315 |  |
| [CVE-2017-0166](https://patchblox.com/security/data/cve/CVE-2017-0166.md) | High | Group Policy | 8.1 | 0.0642 |  |
| [CVE-2017-0168](https://patchblox.com/security/data/cve/CVE-2017-0168.md) | High | Windows Hyper-V | 7.7 | 0.0556 |  |
| [CVE-2017-0167](https://patchblox.com/security/data/cve/CVE-2017-0167.md) | High | Windows Kernel-Mode Drivers | 7.3 | 0.0554 | Disclosed |
| [CVE-2017-0169](https://patchblox.com/security/data/cve/CVE-2017-0169.md) | High | Windows Hyper-V | 7.3 | 0.0156 |  |
| [CVE-2017-0156](https://patchblox.com/security/data/cve/CVE-2017-0156.md) | High | Microsoft Graphics Component | 7.0 | 0.0114 |  |
| [CVE-2013-6629](https://patchblox.com/security/data/cve/CVE-2013-6629.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0973 |  |
| [CVE-2017-0192](https://patchblox.com/security/data/cve/CVE-2017-0192.md) | Routine | Microsoft Graphics Component | 4.4 | 0.0603 |  |
| [CVE-2017-0185](https://patchblox.com/security/data/cve/CVE-2017-0185.md) | Routine | Windows Hyper-V | 5.8 | 0.0567 |  |
| [CVE-2017-0191](https://patchblox.com/security/data/cve/CVE-2017-0191.md) | Routine | Microsoft Windows | 5.8 | 0.0473 |  |
| [CVE-2017-0186](https://patchblox.com/security/data/cve/CVE-2017-0186.md) | Routine | Windows Hyper-V | 5.8 | 0.0456 |  |
| [CVE-2017-0182](https://patchblox.com/security/data/cve/CVE-2017-0182.md) | Routine | Windows Hyper-V | 5.8 | 0.0441 |  |
| [CVE-2017-0183](https://patchblox.com/security/data/cve/CVE-2017-0183.md) | Routine | Windows Hyper-V | 5.8 | 0.0441 |  |
| [CVE-2017-0179](https://patchblox.com/security/data/cve/CVE-2017-0179.md) | Routine | Windows Hyper-V | 5.8 | 0.0429 |  |
| [CVE-2017-0058](https://patchblox.com/security/data/cve/CVE-2017-0058.md) | Routine | Windows Kernel-Mode Drivers | 4.7 | 0.0366 |  |
| [CVE-2017-0159](https://patchblox.com/security/data/cve/CVE-2017-0159.md) | Routine | Windows Hyper-V | 3.7 | 0.0365 |  |
| [CVE-2017-0165](https://patchblox.com/security/data/cve/CVE-2017-0165.md) | Routine | Microsoft Windows | 6.6 | 0.0334 |  |
| [CVE-2017-0188](https://patchblox.com/security/data/cve/CVE-2017-0188.md) | Routine | Windows Kernel-Mode Drivers | 4.4 | 0.0298 |  |
| [CVE-2017-0184](https://patchblox.com/security/data/cve/CVE-2017-0184.md) | Routine | Windows Hyper-V | 5.4 | 0.0168 |  |
| [CVE-2017-0178](https://patchblox.com/security/data/cve/CVE-2017-0178.md) | Routine | Windows Hyper-V | 5.4 | 0.0163 |  |

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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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