# KB3198809: March 2017 security update

KB3198809, released March 14, 2017, fixes 4 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb3198809
- Platform: Microsoft
- Released: Mar 14, 2017
- Priority: High (Closes CVE-2017-0105, high severity)
- CVEs: 4, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/3198809

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Excel for Mac 2011](https://patchblox.com/security/data/product/microsoft/microsoft-excel-for-mac-2011.md) |  |  |
| [Microsoft Word for Mac 2011](https://patchblox.com/security/data/product/microsoft/microsoft-word-for-mac-2011.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2017-0105](https://patchblox.com/security/data/cve/CVE-2017-0105.md) | High | Microsoft Office | n/a | 0.3064 |  |
| [CVE-2017-0031](https://patchblox.com/security/data/cve/CVE-2017-0031.md) | High | Microsoft Office | n/a | 0.2814 |  |
| [CVE-2017-0030](https://patchblox.com/security/data/cve/CVE-2017-0030.md) | High | Microsoft Office | n/a | 0.2779 |  |
| [CVE-2017-0027](https://patchblox.com/security/data/cve/CVE-2017-0027.md) | High | Microsoft Office | n/a | 0.2273 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo