# KB4022225: July 2018 security update

KB4022225, released July 10, 2018, fixes 2 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/kb4022225
- Platform: Microsoft
- Released: Jul 10, 2018
- Priority: High (Closes CVE-2018-8311, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4022225

## 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) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-8311](https://patchblox.com/security/data/cve/CVE-2018-8311.md) | High | Skype for Business and Microsoft Lync | n/a | 0.1687 |  |
| [CVE-2018-8238](https://patchblox.com/security/data/cve/CVE-2018-8238.md) | High | Skype for Business and Microsoft Lync | n/a | 0.0599 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo