# KB4503263: June 2019 security update

KB4503263, released June 11, 2019, fixes 32 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb4503263
- Platform: Microsoft
- Released: Jun 11, 2019
- Priority: Urgent (Closes CVE-2019-0888, rated Critical)
- CVEs: 32, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4503263

## 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-2019-0888](https://patchblox.com/security/data/cve/CVE-2019-0888.md) | Urgent | Microsoft Windows | 8.8 | 0.1113 |  |
| [CVE-2019-1025](https://patchblox.com/security/data/cve/CVE-2019-1025.md) | Urgent | Microsoft Windows | 6.5 | 0.0539 | More likely |
| [CVE-2019-0722](https://patchblox.com/security/data/cve/CVE-2019-0722.md) | Urgent | Microsoft Windows | 8.8 | 0.0472 |  |
| [CVE-2019-0943](https://patchblox.com/security/data/cve/CVE-2019-0943.md) | Urgent | Microsoft Windows | 7.8 | 0.0237 | More likely |
| [CVE-2019-0986](https://patchblox.com/security/data/cve/CVE-2019-0986.md) | Urgent | Windows Shell | 6.3 | 0.0207 | More likely |
| [CVE-2019-0620](https://patchblox.com/security/data/cve/CVE-2019-0620.md) | Urgent | Windows Hyper-V | 7.6 | 0.0144 |  |
| [CVE-2019-1053](https://patchblox.com/security/data/cve/CVE-2019-1053.md) | Urgent | Windows Shell | 6.3 | 0.0132 | Disclosed |
| [CVE-2019-0984](https://patchblox.com/security/data/cve/CVE-2019-0984.md) | Urgent | Microsoft Windows | 7.0 | 0.0090 | More likely |
| [CVE-2019-1017](https://patchblox.com/security/data/cve/CVE-2019-1017.md) | Urgent | Windows Kernel | 7.0 | 0.0090 | More likely |
| [CVE-2019-1019](https://patchblox.com/security/data/cve/CVE-2019-1019.md) | High | Windows NTLM | 8.5 | 0.1512 |  |
| [CVE-2019-0906](https://patchblox.com/security/data/cve/CVE-2019-0906.md) | High | Microsoft JET Database Engine | 7.8 | 0.0571 |  |
| [CVE-2019-0908](https://patchblox.com/security/data/cve/CVE-2019-0908.md) | High | Microsoft JET Database Engine | 7.8 | 0.0456 |  |
| [CVE-2019-0904](https://patchblox.com/security/data/cve/CVE-2019-0904.md) | High | Microsoft JET Database Engine | 7.8 | 0.0407 |  |
| [CVE-2019-0905](https://patchblox.com/security/data/cve/CVE-2019-0905.md) | High | Microsoft JET Database Engine | 7.8 | 0.0407 |  |
| [CVE-2019-0907](https://patchblox.com/security/data/cve/CVE-2019-0907.md) | High | Microsoft JET Database Engine | 7.8 | 0.0407 |  |
| [CVE-2019-0974](https://patchblox.com/security/data/cve/CVE-2019-0974.md) | High | Microsoft JET Database Engine | 7.8 | 0.0407 |  |
| [CVE-2019-0909](https://patchblox.com/security/data/cve/CVE-2019-0909.md) | High | Microsoft JET Database Engine | 7.8 | 0.0360 |  |
| [CVE-2019-0941](https://patchblox.com/security/data/cve/CVE-2019-0941.md) | High | Windows IIS | 7.5 | 0.0304 |  |
| [CVE-2019-0973](https://patchblox.com/security/data/cve/CVE-2019-0973.md) | High | Windows Installer | 7.8 | 0.0106 | Disclosed |
| [CVE-2019-1045](https://patchblox.com/security/data/cve/CVE-2019-1045.md) | High | Microsoft Windows | 7.8 | 0.0100 |  |
| [CVE-2019-1014](https://patchblox.com/security/data/cve/CVE-2019-1014.md) | High | Windows Kernel | 7.0 | 0.0090 |  |
| [CVE-2019-1040](https://patchblox.com/security/data/cve/CVE-2019-1040.md) | Routine | Windows Authentication Methods | 5.3 | 0.4804 |  |
| [CVE-2019-0948](https://patchblox.com/security/data/cve/CVE-2019-0948.md) | Routine | Microsoft Windows | 4.7 | 0.1267 |  |
| [CVE-2019-0972](https://patchblox.com/security/data/cve/CVE-2019-0972.md) | Routine | Kerberos | 6.5 | 0.0579 |  |
| [CVE-2019-1010](https://patchblox.com/security/data/cve/CVE-2019-1010.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0431 |  |
| [CVE-2019-1012](https://patchblox.com/security/data/cve/CVE-2019-1012.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0431 |  |
| [CVE-2019-1015](https://patchblox.com/security/data/cve/CVE-2019-1015.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0431 |  |
| [CVE-2019-1046](https://patchblox.com/security/data/cve/CVE-2019-1046.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0431 |  |
| [CVE-2019-1050](https://patchblox.com/security/data/cve/CVE-2019-1050.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0431 |  |
| [CVE-2019-1043](https://patchblox.com/security/data/cve/CVE-2019-1043.md) | Routine | Microsoft Windows | 6.4 | 0.0303 |  |
| [CVE-2019-0713](https://patchblox.com/security/data/cve/CVE-2019-0713.md) | Routine | Microsoft Windows | 6.8 | 0.0188 |  |
| [CVE-2019-1039](https://patchblox.com/security/data/cve/CVE-2019-1039.md) | Routine | Windows Kernel | 5.5 | 0.0135 |  |

---

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
