# KB4499171: May 2019 security update

KB4499171, released May 14, 2019, fixes 30 CVEs across 3 products. 2 of them are being exploited (CVE-2019-0903); 2 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/microsoft/kb4499171
- Platform: Microsoft
- Released: May 14, 2019
- Priority: Patch now (Closes CVE-2019-0903, exploited (CISA KEV))
- CVEs: 30, exploited: 2, on CISA KEV: 2
- Vendor advisory: https://support.microsoft.com/help/4499171

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Internet Explorer 10 on Windows Server 2012](https://patchblox.com/security/data/product/microsoft/internet-explorer-10-on-windows-server-2012.md) |  |  |
| [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-2019-0903](https://patchblox.com/security/data/cve/CVE-2019-0903.md) | Patch now | Microsoft Graphics Component | 8.8 | 0.2171 | CISA KEV |
| [CVE-2019-0863](https://patchblox.com/security/data/cve/CVE-2019-0863.md) | Patch now | Microsoft Windows | 7.8 | 0.0521 | CISA KEV, Disclosed |
| [CVE-2019-0725](https://patchblox.com/security/data/cve/CVE-2019-0725.md) | Urgent | Windows DHCP Server | 8.1 | 0.2823 |  |
| [CVE-2019-0940](https://patchblox.com/security/data/cve/CVE-2019-0940.md) | Urgent | Microsoft Browsers | 4.2 | 0.2310 | More likely |
| [CVE-2019-0885](https://patchblox.com/security/data/cve/CVE-2019-0885.md) | Urgent | Microsoft Windows | 7.8 | 0.1435 | More likely |
| [CVE-2019-0758](https://patchblox.com/security/data/cve/CVE-2019-0758.md) | Urgent | Microsoft Graphics Component | 4.7 | 0.1232 | More likely |
| [CVE-2019-0911](https://patchblox.com/security/data/cve/CVE-2019-0911.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0909 | More likely |
| [CVE-2019-0918](https://patchblox.com/security/data/cve/CVE-2019-0918.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0799 | More likely |
| [CVE-2019-0884](https://patchblox.com/security/data/cve/CVE-2019-0884.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0751 | More likely |
| [CVE-2019-0882](https://patchblox.com/security/data/cve/CVE-2019-0882.md) | Urgent | Microsoft Graphics Component | 4.7 | 0.0699 | More likely |
| [CVE-2019-0961](https://patchblox.com/security/data/cve/CVE-2019-0961.md) | Urgent | Microsoft Graphics Component | 4.7 | 0.0699 | More likely |
| [CVE-2019-0930](https://patchblox.com/security/data/cve/CVE-2019-0930.md) | Urgent | Internet Explorer | 4.3 | 0.0655 | More likely |
| [CVE-2019-0881](https://patchblox.com/security/data/cve/CVE-2019-0881.md) | Urgent | Windows Kernel | 8.8 | 0.0264 | More likely |
| [CVE-2019-0936](https://patchblox.com/security/data/cve/CVE-2019-0936.md) | Urgent | Microsoft Windows | 7.8 | 0.0130 | More likely |
| [CVE-2019-0707](https://patchblox.com/security/data/cve/CVE-2019-0707.md) | Urgent | Windows NDIS | 7.0 | 0.0095 | More likely |
| [CVE-2019-0889](https://patchblox.com/security/data/cve/CVE-2019-0889.md) | High | Microsoft JET Database Engine | 7.8 | 0.2012 |  |
| [CVE-2019-0891](https://patchblox.com/security/data/cve/CVE-2019-0891.md) | High | Microsoft JET Database Engine | 7.8 | 0.2012 |  |
| [CVE-2019-0899](https://patchblox.com/security/data/cve/CVE-2019-0899.md) | High | Microsoft JET Database Engine | 7.8 | 0.2012 |  |
| [CVE-2019-0902](https://patchblox.com/security/data/cve/CVE-2019-0902.md) | High | Microsoft JET Database Engine | 7.8 | 0.1914 |  |
| [CVE-2019-0890](https://patchblox.com/security/data/cve/CVE-2019-0890.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 |  |
| [CVE-2019-0893](https://patchblox.com/security/data/cve/CVE-2019-0893.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 |  |
| [CVE-2019-0894](https://patchblox.com/security/data/cve/CVE-2019-0894.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 |  |
| [CVE-2019-0895](https://patchblox.com/security/data/cve/CVE-2019-0895.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 |  |
| [CVE-2019-0896](https://patchblox.com/security/data/cve/CVE-2019-0896.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 |  |
| [CVE-2019-0897](https://patchblox.com/security/data/cve/CVE-2019-0897.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 |  |
| [CVE-2019-0898](https://patchblox.com/security/data/cve/CVE-2019-0898.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 |  |
| [CVE-2019-0900](https://patchblox.com/security/data/cve/CVE-2019-0900.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 |  |
| [CVE-2019-0901](https://patchblox.com/security/data/cve/CVE-2019-0901.md) | High | Microsoft JET Database Engine | 7.8 | 0.1371 |  |
| [CVE-2019-0734](https://patchblox.com/security/data/cve/CVE-2019-0734.md) | High | Kerberos | 7.8 | 0.0421 |  |
| [CVE-2019-0921](https://patchblox.com/security/data/cve/CVE-2019-0921.md) | Routine | Internet Explorer | 4.3 | 0.0331 |  |

---

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
