# KB4056899: January 2018 security update

KB4056899, released January 18, 2018, fixes 10 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb4056899
- Platform: Microsoft
- Released: Jan 18, 2018
- Priority: Urgent (Closes CVE-2018-0744, exploitation more likely)
- CVEs: 10, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4056899

## 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-2018-0744](https://patchblox.com/security/data/cve/CVE-2018-0744.md) | Urgent | Windows Kernel | 7.0 | 0.1502 | More likely |
| [CVE-2018-0746](https://patchblox.com/security/data/cve/CVE-2018-0746.md) | Urgent | Windows Kernel | 4.7 | 0.0408 | More likely |
| [CVE-2018-0754](https://patchblox.com/security/data/cve/CVE-2018-0754.md) | Urgent | Graphic Fonts | 5.5 | 0.0228 | More likely |
| [CVE-2018-0747](https://patchblox.com/security/data/cve/CVE-2018-0747.md) | Urgent | Windows Kernel | 4.7 | 0.0208 | More likely |
| [CVE-2018-0788](https://patchblox.com/security/data/cve/CVE-2018-0788.md) | Urgent | Graphic Fonts | 7.0 | 0.0112 | More likely |
| [CVE-2018-0753](https://patchblox.com/security/data/cve/CVE-2018-0753.md) | Routine | Microsoft Windows | 5.9 | 0.0902 |  |
| [CVE-2018-0749](https://patchblox.com/security/data/cve/CVE-2018-0749.md) | Routine | Windows SMB Server | 6.6 | 0.0321 |  |
| [CVE-2018-0748](https://patchblox.com/security/data/cve/CVE-2018-0748.md) | Routine | Windows Kernel | 6.6 | 0.0278 |  |
| [CVE-2018-0752](https://patchblox.com/security/data/cve/CVE-2018-0752.md) | Routine | Windows Kernel | 6.6 | 0.0278 |  |
| [CVE-2018-0751](https://patchblox.com/security/data/cve/CVE-2018-0751.md) | Routine | Windows Kernel | 6.6 | 0.0276 |  |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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