# KB4493446: April 2019 security update KB4493446, released April 9, 2019, fixes 39 CVEs across 9 products. 3 of them are being exploited (CVE-2019-0752); 3 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb4493446 - Platform: Microsoft - Released: Apr 9, 2019 - Priority: Patch now (Closes CVE-2019-0752, exploited (CISA KEV, ransomware)) - CVEs: 39, exploited: 3, on CISA KEV: 3 - Vendor advisory: https://support.microsoft.com/help/4493446 ## Applies to | Product | Release | Fixed in | |---|---|---| | [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 RT 8.1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-rt-8.1.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) | | | | [Windows 8.1 for 32-bit systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-32-bit-systems.md) | | | | [Windows 8.1 for x64-based systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-x64-based-systems.md) | | | | [Windows RT 8.1](https://patchblox.com/security/data/product/microsoft/windows-rt-8.1.md) | | | | [Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2.md) | | | | [Windows Server 2012 R2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2-server-core-installation.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-2019-0803](https://patchblox.com/security/data/cve/CVE-2019-0803.md) | Patch now | Microsoft Graphics Component | 7.0 | 0.4523 | CISA KEV, Ransomware | | [CVE-2019-0859](https://patchblox.com/security/data/cve/CVE-2019-0859.md) | Patch now | Windows Kernel | 7.8 | 0.0419 | CISA KEV, Ransomware | | [CVE-2019-0853](https://patchblox.com/security/data/cve/CVE-2019-0853.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.3005 | | | [CVE-2019-0795](https://patchblox.com/security/data/cve/CVE-2019-0795.md) | Urgent | Microsoft XML | 7.8 | 0.2132 | | | [CVE-2019-0791](https://patchblox.com/security/data/cve/CVE-2019-0791.md) | Urgent | Microsoft XML | 7.8 | 0.1818 | | | [CVE-2019-0792](https://patchblox.com/security/data/cve/CVE-2019-0792.md) | Urgent | Microsoft XML | 7.8 | 0.1818 | | | [CVE-2019-0793](https://patchblox.com/security/data/cve/CVE-2019-0793.md) | Urgent | Microsoft XML | 7.8 | 0.1818 | More likely | | [CVE-2019-0790](https://patchblox.com/security/data/cve/CVE-2019-0790.md) | Urgent | Microsoft XML | 7.8 | 0.1620 | | | [CVE-2019-0794](https://patchblox.com/security/data/cve/CVE-2019-0794.md) | Urgent | Microsoft Windows | 7.8 | 0.1548 | More likely | | [CVE-2019-0845](https://patchblox.com/security/data/cve/CVE-2019-0845.md) | Urgent | Microsoft Windows | 7.5 | 0.1481 | | | [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-2019-0731](https://patchblox.com/security/data/cve/CVE-2019-0731.md) | Urgent | Microsoft Windows | 6.8 | 0.0435 | More likely | | [CVE-2019-0730](https://patchblox.com/security/data/cve/CVE-2019-0730.md) | Urgent | Microsoft Windows | 6.7 | 0.0435 | More likely | | [CVE-2019-0836](https://patchblox.com/security/data/cve/CVE-2019-0836.md) | Urgent | Microsoft Windows | 7.0 | 0.0430 | More likely | | [CVE-2019-0796](https://patchblox.com/security/data/cve/CVE-2019-0796.md) | Urgent | Microsoft Windows | 6.3 | 0.0424 | More likely | | [CVE-2019-0732](https://patchblox.com/security/data/cve/CVE-2019-0732.md) | Urgent | Microsoft Windows | 5.3 | 0.0378 | More likely | | [CVE-2019-0735](https://patchblox.com/security/data/cve/CVE-2019-0735.md) | Urgent | CSRSS | 7.0 | 0.0366 | More likely | | [CVE-2019-0805](https://patchblox.com/security/data/cve/CVE-2019-0805.md) | Urgent | Microsoft Windows | 6.7 | 0.0279 | More likely | | [CVE-2019-0844](https://patchblox.com/security/data/cve/CVE-2019-0844.md) | Urgent | Windows Kernel | 5.5 | 0.0213 | More likely | | [CVE-2019-0674](https://patchblox.com/security/data/cve/CVE-2019-0674.md) | High | Microsoft Office | 7.8 | 0.1841 | | | [CVE-2019-0846](https://patchblox.com/security/data/cve/CVE-2019-0846.md) | High | Microsoft JET Database Engine | 7.8 | 0.1612 | | | [CVE-2019-0847](https://patchblox.com/security/data/cve/CVE-2019-0847.md) | High | Microsoft JET Database Engine | 7.8 | 0.1612 | | | [CVE-2019-0851](https://patchblox.com/security/data/cve/CVE-2019-0851.md) | High | Microsoft JET Database Engine | 7.8 | 0.1612 | | | [CVE-2019-0671](https://patchblox.com/security/data/cve/CVE-2019-0671.md) | High | Microsoft Office | 7.8 | 0.1482 | | | [CVE-2019-0673](https://patchblox.com/security/data/cve/CVE-2019-0673.md) | High | Microsoft Office | 7.8 | 0.1482 | | | [CVE-2019-0879](https://patchblox.com/security/data/cve/CVE-2019-0879.md) | High | Microsoft JET Database Engine | 7.8 | 0.0979 | | | [CVE-2019-0877](https://patchblox.com/security/data/cve/CVE-2019-0877.md) | High | Microsoft JET Database Engine | 7.8 | 0.0495 | | | [CVE-2019-0856](https://patchblox.com/security/data/cve/CVE-2019-0856.md) | Routine | Windows Kernel | 6.6 | 0.1941 | | | [CVE-2019-0842](https://patchblox.com/security/data/cve/CVE-2019-0842.md) | Routine | Microsoft Windows | 6.4 | 0.1803 | | | [CVE-2019-0802](https://patchblox.com/security/data/cve/CVE-2019-0802.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0953 | | | [CVE-2019-0849](https://patchblox.com/security/data/cve/CVE-2019-0849.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0953 | | | [CVE-2019-0688](https://patchblox.com/security/data/cve/CVE-2019-0688.md) | Routine | Microsoft Windows | 5.3 | 0.0850 | | | [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 | | | [CVE-2019-0839](https://patchblox.com/security/data/cve/CVE-2019-0839.md) | Routine | Microsoft Windows | 4.4 | 0.0220 | | | [CVE-2019-0848](https://patchblox.com/security/data/cve/CVE-2019-0848.md) | Routine | Microsoft Windows | 4.7 | 0.0213 | | | [CVE-2019-0838](https://patchblox.com/security/data/cve/CVE-2019-0838.md) | Routine | Microsoft Windows | 6.6 | 0.0206 | | --- Data as of 2026-11-07T18:46:35Z 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 Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.