# KB2809243: March 2019 security update

KB2809243, released March 12, 2019, fixes 2 CVEs in Microsoft Lync Server 2013 July 2018 Update. 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/kb2809243
- Platform: Microsoft
- Released: Mar 12, 2019
- Priority: High (Closes CVE-2019-0798, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/2809243

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Lync Server 2013 July 2018 Update](https://patchblox.com/security/data/product/microsoft/microsoft-lync-server-2013-july-2018-update.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-0798](https://patchblox.com/security/data/cve/CVE-2019-0798.md) | High | Skype for Business | n/a | 0.0208 |  |
| [CVE-2019-0624](https://patchblox.com/security/data/cve/CVE-2019-0624.md) | High | Skype for Business | n/a | 0.0146 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo