# KB3184736: September 2016 security update

KB3184736, released September 13, 2016, fixes 3 CVEs across 5 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/kb3184736
- Platform: Microsoft
- Released: Sep 13, 2016
- Priority: High (Closes CVE-2016-0138, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/3184736

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Exchange Server 2013 Cumulative Update 12](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2013-cumulative-update-12.md) |  |  |
| [Microsoft Exchange Server 2013 Cumulative Update 13](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2013-cumulative-update-13.md) |  |  |
| [Microsoft Exchange Server 2013 Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2013-service-pack-1.md) |  |  |
| [Microsoft Exchange Server 2016 Cumulative Update 1](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2016-cumulative-update-1.md) |  |  |
| [Microsoft Exchange Server 2016 Cumulative Update 2](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2016-cumulative-update-2.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2016-0138](https://patchblox.com/security/data/cve/CVE-2016-0138.md) | High | Microsoft Exchange Server | n/a | 0.1346 |  |
| [CVE-2016-3379](https://patchblox.com/security/data/cve/CVE-2016-3379.md) | High | Microsoft Office | n/a | 0.0823 |  |
| [CVE-2016-3378](https://patchblox.com/security/data/cve/CVE-2016-3378.md) | Routine | Microsoft Exchange Server | n/a | 0.1528 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo