# KB4338820: July 2018 security update

KB4338820, released July 19, 2018, fixes 7 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb4338820
- Platform: Microsoft
- Released: Jul 19, 2018
- Priority: Urgent (Closes CVE-2018-8313, exploitation more likely)
- CVEs: 7, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4338820

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Server 2012](https://patchblox.com/security/data/product/microsoft/windows-server-2012.md) |  |  |
| [Windows Server 2012 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-8313](https://patchblox.com/security/data/cve/CVE-2018-8313.md) | Urgent | Microsoft Windows | 7.8 | 0.0131 | Disclosed |
| [CVE-2018-8206](https://patchblox.com/security/data/cve/CVE-2018-8206.md) | High | Microsoft Windows | 7.5 | 0.1181 |  |
| [CVE-2018-8282](https://patchblox.com/security/data/cve/CVE-2018-8282.md) | High | Windows Kernel | 8.8 | 0.0131 |  |
| [CVE-2018-8304](https://patchblox.com/security/data/cve/CVE-2018-8304.md) | Routine | Microsoft Windows DNS | 5.9 | 0.1292 |  |
| [CVE-2018-8308](https://patchblox.com/security/data/cve/CVE-2018-8308.md) | Routine | Microsoft Windows | 6.6 | 0.0394 |  |
| [CVE-2018-8307](https://patchblox.com/security/data/cve/CVE-2018-8307.md) | Routine | Microsoft WordPad | 5.3 | 0.0382 |  |
| [CVE-2018-8309](https://patchblox.com/security/data/cve/CVE-2018-8309.md) | Routine | Microsoft Windows | 5.5 | 0.0171 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo