# KB4486993: February 2019 security update

KB4486993, released February 12, 2019, fixes 26 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb4486993
- Platform: Microsoft
- Released: Feb 12, 2019
- Priority: Urgent (Closes CVE-2019-0626, rated Critical)
- CVEs: 26, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4486993

## 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-2019-0626](https://patchblox.com/security/data/cve/CVE-2019-0626.md) | Urgent | Windows DHCP Server | 9.8 | 0.6863 |  |
| [CVE-2019-0618](https://patchblox.com/security/data/cve/CVE-2019-0618.md) | Urgent | Microsoft Graphics Component | 8.8 | 0.6701 |  |
| [CVE-2019-0630](https://patchblox.com/security/data/cve/CVE-2019-0630.md) | Urgent | Windows SMB Server | 7.5 | 0.1739 | More likely |
| [CVE-2019-0662](https://patchblox.com/security/data/cve/CVE-2019-0662.md) | Urgent | Microsoft Graphics Component | 8.8 | 0.1536 |  |
| [CVE-2019-0633](https://patchblox.com/security/data/cve/CVE-2019-0633.md) | Urgent | Windows SMB Server | 7.5 | 0.1304 | More likely |
| [CVE-2019-0555](https://patchblox.com/security/data/cve/CVE-2019-0555.md) | Urgent | Microsoft XML | 7.0 | 0.0267 | More likely |
| [CVE-2019-0663](https://patchblox.com/security/data/cve/CVE-2019-0663.md) | Urgent | Windows Kernel | 4.3 | 0.0234 | More likely |
| [CVE-2019-0621](https://patchblox.com/security/data/cve/CVE-2019-0621.md) | Urgent | Windows Kernel | 5.5 | 0.0206 | More likely |
| [CVE-2019-0628](https://patchblox.com/security/data/cve/CVE-2019-0628.md) | Urgent | Windows Kernel | 4.7 | 0.0206 | More likely |
| [CVE-2019-0636](https://patchblox.com/security/data/cve/CVE-2019-0636.md) | Urgent | Microsoft Windows | 5.5 | 0.0202 | Disclosed |
| [CVE-2019-0598](https://patchblox.com/security/data/cve/CVE-2019-0598.md) | High | Microsoft JET Database Engine | 7.8 | 0.2013 |  |
| [CVE-2019-0599](https://patchblox.com/security/data/cve/CVE-2019-0599.md) | High | Microsoft JET Database Engine | 7.8 | 0.2013 |  |
| [CVE-2019-0595](https://patchblox.com/security/data/cve/CVE-2019-0595.md) | High | Microsoft JET Database Engine | 7.8 | 0.1906 |  |
| [CVE-2019-0596](https://patchblox.com/security/data/cve/CVE-2019-0596.md) | High | Microsoft JET Database Engine | 7.8 | 0.1613 |  |
| [CVE-2019-0597](https://patchblox.com/security/data/cve/CVE-2019-0597.md) | High | Microsoft JET Database Engine | 7.8 | 0.1613 |  |
| [CVE-2019-0625](https://patchblox.com/security/data/cve/CVE-2019-0625.md) | High | Microsoft JET Database Engine | 7.8 | 0.1613 |  |
| [CVE-2019-0623](https://patchblox.com/security/data/cve/CVE-2019-0623.md) | High | Windows Kernel | 7.0 | 0.0598 |  |
| [CVE-2019-0602](https://patchblox.com/security/data/cve/CVE-2019-0602.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0771 |  |
| [CVE-2019-0615](https://patchblox.com/security/data/cve/CVE-2019-0615.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0771 |  |
| [CVE-2019-0616](https://patchblox.com/security/data/cve/CVE-2019-0616.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0771 |  |
| [CVE-2019-0619](https://patchblox.com/security/data/cve/CVE-2019-0619.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0771 |  |
| [CVE-2019-0660](https://patchblox.com/security/data/cve/CVE-2019-0660.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0771 |  |
| [CVE-2019-0664](https://patchblox.com/security/data/cve/CVE-2019-0664.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0771 |  |
| [CVE-2019-0635](https://patchblox.com/security/data/cve/CVE-2019-0635.md) | Routine | Windows Hyper-V | 5.4 | 0.0244 |  |
| [CVE-2019-0661](https://patchblox.com/security/data/cve/CVE-2019-0661.md) | Routine | Windows Kernel | 4.7 | 0.0206 |  |
| [CVE-2019-0600](https://patchblox.com/security/data/cve/CVE-2019-0600.md) | Routine | Microsoft Windows | 4.7 | 0.0171 |  |

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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