# KB3178710: April 2017 security update

KB3178710, released April 21, 2017, fixes 1 CVE across 3 products. One of them is being exploited (CVE-2017-0199); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb3178710
- Platform: Microsoft
- Released: Apr 21, 2017
- Priority: Patch now (Closes CVE-2017-0199, exploited (CISA KEV, ransomware))
- CVEs: 1, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/3178710

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Office 2013 RT Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-office-2013-rt-service-pack-1.md) |  |  |
| [Microsoft Office 2013 Service Pack 1 (32-bit editions)](https://patchblox.com/security/data/product/microsoft/microsoft-office-2013-service-pack-1-32-bit-editions.md) |  |  |
| [Microsoft Office 2013 Service Pack 1 (64-bit editions)](https://patchblox.com/security/data/product/microsoft/microsoft-office-2013-service-pack-1-64-bit-editions.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2017-0199](https://patchblox.com/security/data/cve/CVE-2017-0199.md) | Patch now | Microsoft Office | 6.7 | 0.9950 | CISA KEV, Ransomware |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo