# KB4493435: April 2019 security update

KB4493435, released April 9, 2019, fixes 5 CVEs across 9 products. One of them is being exploited (CVE-2019-0752); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4493435
- Platform: Microsoft
- Released: Apr 9, 2019
- Priority: Patch now (Closes CVE-2019-0752, exploited (CISA KEV, ransomware))
- CVEs: 5, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/4493435

## 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 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-2019-0752](https://patchblox.com/security/data/cve/CVE-2019-0752.md) | Patch now | Microsoft Scripting Engine | 6.4 | 0.8168 | CISA KEV, Ransomware |
| [CVE-2019-0862](https://patchblox.com/security/data/cve/CVE-2019-0862.md) | Urgent | Microsoft Scripting Engine | n/a | 0.1111 | More likely |
| [CVE-2019-0753](https://patchblox.com/security/data/cve/CVE-2019-0753.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.0922 | More likely |
| [CVE-2019-0835](https://patchblox.com/security/data/cve/CVE-2019-0835.md) | Routine | Microsoft Scripting Engine | 4.3 | 0.0674 |  |
| [CVE-2019-0764](https://patchblox.com/security/data/cve/CVE-2019-0764.md) | Routine | Microsoft Browsers | 6.3 | 0.0364 |  |

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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