# KB4014661: April 2017 security update

KB4014661, released April 11, 2017, fixes 4 CVEs across 11 products. 2 of them are being exploited (CVE-2017-0210); 2 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4014661
- Platform: Microsoft
- Released: Apr 11, 2017
- Priority: Patch now (Closes CVE-2017-0210, exploited (CISA KEV))
- CVEs: 4, exploited: 2, on CISA KEV: 2
- Vendor advisory: https://support.microsoft.com/help/4014661

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Internet Explorer 10 on Windows Server 2012](https://patchblox.com/security/data/product/microsoft/internet-explorer-10-on-windows-server-2012.md) |  |  |
| [Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-7-for-32-bit-systems-service-pack-1.md) |  |  |
| [Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-7-for-x64-based-systems-service-pack-1.md) |  |  |
| [Internet Explorer 11 on Windows 8.1 for 32-bit systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-8.1-for-32-bit-systems.md) |  |  |
| [Internet Explorer 11 on Windows 8.1 for x64-based systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-8.1-for-x64-based-systems.md) |  |  |
| [Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2008-r2-for-x64-based-systems-service-pack-1.md) |  |  |
| [Internet Explorer 11 on Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2012-r2.md) |  |  |
| [Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/internet-explorer-9-on-windows-server-2008-for-32-bit-systems-service-pack-2.md) |  |  |
| [Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/internet-explorer-9-on-windows-server-2008-for-x64-based-systems-service-pack-2.md) |  |  |
| [Internet Explorer 9 on Windows Vista Service Pack 2](https://patchblox.com/security/data/product/microsoft/internet-explorer-9-on-windows-vista-service-pack-2.md) |  |  |
| [Internet Explorer 9 on Windows Vista x64 Edition Service Pack 2](https://patchblox.com/security/data/product/microsoft/internet-explorer-9-on-windows-vista-x64-edition-service-pack-2.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2017-0210](https://patchblox.com/security/data/cve/CVE-2017-0210.md) | Patch now | Internet Explorer | 3.5 | 0.2233 | CISA KEV, Disclosed |
| [CVE-2016-0162](https://patchblox.com/security/data/cve/CVE-2016-0162.md) | Patch now | Internet Explorer | n/a | 0.2193 | CISA KEV |
| [CVE-2017-0202](https://patchblox.com/security/data/cve/CVE-2017-0202.md) | Urgent | Internet Explorer | 6.0 | 0.4565 | More likely |
| [CVE-2017-0201](https://patchblox.com/security/data/cve/CVE-2017-0201.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.1388 |  |

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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