# KB4519974: October 2019 security update

KB4519974, released October 8, 2019, fixes 6 CVEs across 10 products. One of them is being exploited (CVE-2019-1367); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4519974
- Platform: Microsoft
- Released: Oct 8, 2019
- Priority: Patch now (Closes CVE-2019-1367, exploited (CISA KEV, ransomware))
- CVEs: 6, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/4519974

## 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) |  |  |
| [Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-7-for-32-bit-systems-service-pack-1.md) |  |  |
| [Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-7-for-x64-based-systems-service-pack-1.md) |  |  |
| [Internet Explorer 11 on Windows 8.1 for 32-bit systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-8.1-for-32-bit-systems.md) |  |  |
| [Internet Explorer 11 on Windows 8.1 for x64-based systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-8.1-for-x64-based-systems.md) |  |  |
| [Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2008-r2-for-x64-based-systems-service-pack-1.md) |  |  |
| [Internet Explorer 11 on Windows Server 2012](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2012.md) |  |  |
| [Internet Explorer 11 on Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2012-r2.md) |  |  |
| [Internet Explorer 9 on Windows Server 2008 for 32-bit Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/internet-explorer-9-on-windows-server-2008-for-32-bit-systems-service-pack-2.md) |  |  |
| [Internet Explorer 9 on Windows Server 2008 for x64-based Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/internet-explorer-9-on-windows-server-2008-for-x64-based-systems-service-pack-2.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-1367](https://patchblox.com/security/data/cve/CVE-2019-1367.md) | Patch now | Microsoft Scripting Engine | 6.4 | 0.5245 | CISA KEV, Ransomware |
| [CVE-2019-1192](https://patchblox.com/security/data/cve/CVE-2019-1192.md) | Urgent | Microsoft Browsers | 2.4 | 0.0371 | More likely |
| [CVE-2019-1371](https://patchblox.com/security/data/cve/CVE-2019-1371.md) | Routine | Internet Explorer | 6.4 | 0.0740 |  |
| [CVE-2019-1238](https://patchblox.com/security/data/cve/CVE-2019-1238.md) | Routine | Microsoft Scripting Engine | 6.4 | 0.0586 |  |
| [CVE-2019-0608](https://patchblox.com/security/data/cve/CVE-2019-0608.md) | Routine | Microsoft Browsers | 2.4 | 0.0235 |  |
| [CVE-2019-1357](https://patchblox.com/security/data/cve/CVE-2019-1357.md) | Routine | Microsoft Browsers | 3.5 | 0.0229 |  |

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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