# KB3115431: August 2016 security update

KB3115431, released August 9, 2016, fixes 3 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb3115431
- Platform: Microsoft
- Released: Aug 9, 2016
- Priority: Urgent (Closes CVE-2016-3304, exploitation more likely)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/3115431

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Lync 2013 Service Pack 1 (32-bit)](https://patchblox.com/security/data/product/microsoft/microsoft-lync-2013-service-pack-1-32-bit.md) |  |  |
| [Microsoft Lync 2013 Service Pack 1 (64-bit)](https://patchblox.com/security/data/product/microsoft/microsoft-lync-2013-service-pack-1-64-bit.md) |  |  |
| [Microsoft Lync Basic 2013 Service Pack 1 (32-bit)](https://patchblox.com/security/data/product/microsoft/microsoft-lync-basic-2013-service-pack-1-32-bit.md) |  |  |
| [Microsoft Lync Basic 2013 Service Pack 1 (64-bit)](https://patchblox.com/security/data/product/microsoft/microsoft-lync-basic-2013-service-pack-1-64-bit.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2016-3303](https://patchblox.com/security/data/cve/CVE-2016-3303.md) | Urgent | Microsoft Graphics Component | 8.8 | 0.5051 |  |
| [CVE-2016-3304](https://patchblox.com/security/data/cve/CVE-2016-3304.md) | Urgent | Microsoft Graphics Component | 8.8 | 0.5051 | More likely |
| [CVE-2016-3301](https://patchblox.com/security/data/cve/CVE-2016-3301.md) | Urgent | Microsoft Graphics Component | 8.8 | 0.4449 | More likely |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo