# KB4523205: November 2019 cumulative update for Windows 10 1809 KB4523205, released November 12, 2019, fixes 52 CVEs across 13 products. 4 of them are being exploited (CVE-2019-1429); 4 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb4523205 - Platform: Microsoft - Released: Nov 12, 2019 - Priority: Patch now (Closes CVE-2019-1429, exploited (CISA KEV)) - CVEs: 52, exploited: 4, on CISA KEV: 4 - Vendor advisory: https://support.microsoft.com/help/4523205 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Internet Explorer 11 on Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1809-for-32-bit-systems.md) | | 17763.864 | | [Internet Explorer 11 on Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1809-for-arm64-based-systems.md) | | 17763.864 | | [Internet Explorer 11 on Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1809-for-x64-based-systems.md) | | 17763.864 | | [Internet Explorer 11 on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2019.md) | | 17763.864 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1809-for-32-bit-systems.md) | | 17763.864 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1809-for-arm64-based-systems.md) | | 17763.864 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1809-for-x64-based-systems.md) | | 17763.864 | | [Microsoft Edge (EdgeHTML-based) on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-server-2019.md) | | 17763.864 | | [Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-32-bit-systems.md) | | 17763.864 | | [Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-arm64-based-systems.md) | | 17763.864 | | [Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-x64-based-systems.md) | | 17763.864 | | [Windows Server 2019](https://patchblox.com/security/data/product/microsoft/windows-server-2019.md) | | 17763.864 | | [Windows Server 2019 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2019-server-core-installation.md) | | 17763.864 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2019-1429](https://patchblox.com/security/data/cve/CVE-2019-1429.md) | Patch now | Microsoft Scripting Engine | 6.4 | 0.7729 | CISA KEV | | [CVE-2019-1405](https://patchblox.com/security/data/cve/CVE-2019-1405.md) | Patch now | Microsoft Windows | 7.8 | 0.3017 | CISA KEV, Ransomware | | [CVE-2019-1388](https://patchblox.com/security/data/cve/CVE-2019-1388.md) | Patch now | Microsoft Windows | 7.8 | 0.0859 | CISA KEV, Ransomware | | [CVE-2019-1385](https://patchblox.com/security/data/cve/CVE-2019-1385.md) | Patch now | Microsoft Windows | 7.8 | 0.0360 | CISA KEV, Ransomware | | [CVE-2019-0721](https://patchblox.com/security/data/cve/CVE-2019-0721.md) | Urgent | Windows Hyper-V | 8.0 | 0.1212 | | | [CVE-2019-1419](https://patchblox.com/security/data/cve/CVE-2019-1419.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.1161 | | | [CVE-2019-0719](https://patchblox.com/security/data/cve/CVE-2019-0719.md) | Urgent | Windows Hyper-V | 8.0 | 0.1142 | | | [CVE-2019-1428](https://patchblox.com/security/data/cve/CVE-2019-1428.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0984 | | | [CVE-2019-1426](https://patchblox.com/security/data/cve/CVE-2019-1426.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0976 | | | [CVE-2019-1427](https://patchblox.com/security/data/cve/CVE-2019-1427.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0976 | | | [CVE-2019-1390](https://patchblox.com/security/data/cve/CVE-2019-1390.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.0777 | More likely | | [CVE-2019-1397](https://patchblox.com/security/data/cve/CVE-2019-1397.md) | Urgent | Windows Hyper-V | 7.6 | 0.0489 | | | [CVE-2019-1398](https://patchblox.com/security/data/cve/CVE-2019-1398.md) | Urgent | Windows Hyper-V | 7.6 | 0.0334 | | | [CVE-2019-1436](https://patchblox.com/security/data/cve/CVE-2019-1436.md) | Urgent | Microsoft Graphics Component | 5.5 | 0.0178 | More likely | | [CVE-2019-1393](https://patchblox.com/security/data/cve/CVE-2019-1393.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0142 | More likely | | [CVE-2019-1408](https://patchblox.com/security/data/cve/CVE-2019-1408.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0142 | More likely | | [CVE-2019-1394](https://patchblox.com/security/data/cve/CVE-2019-1394.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0121 | More likely | | [CVE-2019-1395](https://patchblox.com/security/data/cve/CVE-2019-1395.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0121 | More likely | | [CVE-2019-1396](https://patchblox.com/security/data/cve/CVE-2019-1396.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.0121 | More likely | | [CVE-2019-1435](https://patchblox.com/security/data/cve/CVE-2019-1435.md) | Urgent | Microsoft Graphics Component | 7.0 | 0.0093 | More likely | | [CVE-2019-1437](https://patchblox.com/security/data/cve/CVE-2019-1437.md) | Urgent | Microsoft Graphics Component | 7.0 | 0.0093 | More likely | | [CVE-2019-1438](https://patchblox.com/security/data/cve/CVE-2019-1438.md) | Urgent | Microsoft Graphics Component | 7.0 | 0.0089 | More likely | | [CVE-2019-1456](https://patchblox.com/security/data/cve/CVE-2019-1456.md) | High | Graphic Fonts | 7.8 | 0.0970 | | | [CVE-2019-1384](https://patchblox.com/security/data/cve/CVE-2019-1384.md) | High | Microsoft Windows | 8.5 | 0.0699 | | | [CVE-2019-1424](https://patchblox.com/security/data/cve/CVE-2019-1424.md) | High | Microsoft Windows | 8.1 | 0.0307 | | | [CVE-2019-1422](https://patchblox.com/security/data/cve/CVE-2019-1422.md) | High | Microsoft Windows | 7.8 | 0.0207 | | | [CVE-2019-1382](https://patchblox.com/security/data/cve/CVE-2019-1382.md) | High | Microsoft Windows | 7.8 | 0.0123 | | | [CVE-2019-1420](https://patchblox.com/security/data/cve/CVE-2019-1420.md) | High | Microsoft Windows | 7.8 | 0.0101 | | | [CVE-2019-1433](https://patchblox.com/security/data/cve/CVE-2019-1433.md) | High | Microsoft Graphics Component | 7.0 | 0.0094 | | | [CVE-2019-1415](https://patchblox.com/security/data/cve/CVE-2019-1415.md) | High | Microsoft Windows | 7.8 | 0.0084 | | | [CVE-2019-1380](https://patchblox.com/security/data/cve/CVE-2019-1380.md) | High | Microsoft Windows | 7.8 | 0.0081 | | | [CVE-2019-1379](https://patchblox.com/security/data/cve/CVE-2019-1379.md) | High | Microsoft Windows | 7.8 | 0.0077 | | | [CVE-2019-1383](https://patchblox.com/security/data/cve/CVE-2019-1383.md) | High | Microsoft Windows | 7.8 | 0.0077 | | | [CVE-2019-1417](https://patchblox.com/security/data/cve/CVE-2019-1417.md) | High | Microsoft Windows | 7.8 | 0.0077 | | | [CVE-2019-1416](https://patchblox.com/security/data/cve/CVE-2019-1416.md) | High | Windows Subsystem for Linux | 7.8 | 0.0048 | | | [CVE-2019-1439](https://patchblox.com/security/data/cve/CVE-2019-1439.md) | Routine | Microsoft Graphics Component | 4.7 | 0.7479 | | | [CVE-2019-1406](https://patchblox.com/security/data/cve/CVE-2019-1406.md) | Routine | Microsoft JET Database Engine | 6.7 | 0.1329 | | | [CVE-2019-1374](https://patchblox.com/security/data/cve/CVE-2019-1374.md) | Routine | Microsoft Windows | 5.5 | 0.0707 | | | [CVE-2019-0712](https://patchblox.com/security/data/cve/CVE-2019-0712.md) | Routine | Windows Hyper-V | 5.8 | 0.0555 | | | [CVE-2019-1309](https://patchblox.com/security/data/cve/CVE-2019-1309.md) | Routine | Windows Hyper-V | 5.8 | 0.0550 | | | [CVE-2019-1310](https://patchblox.com/security/data/cve/CVE-2019-1310.md) | Routine | Windows Hyper-V | 5.8 | 0.0550 | | | [CVE-2019-1411](https://patchblox.com/security/data/cve/CVE-2019-1411.md) | Routine | Microsoft Graphics Component | 4.4 | 0.0523 | | | [CVE-2019-1324](https://patchblox.com/security/data/cve/CVE-2019-1324.md) | Routine | Microsoft Windows | 5.3 | 0.0462 | | | [CVE-2019-11135](https://patchblox.com/security/data/cve/CVE-2019-11135.md) | Routine | Windows Kernel | 6.5 | 0.0313 | | | [CVE-2019-1440](https://patchblox.com/security/data/cve/CVE-2019-1440.md) | Routine | Microsoft Graphics Component | 5.0 | 0.0209 | | | [CVE-2019-1418](https://patchblox.com/security/data/cve/CVE-2019-1418.md) | Routine | Microsoft Windows | 3.5 | 0.0175 | | | [CVE-2019-1399](https://patchblox.com/security/data/cve/CVE-2019-1399.md) | Routine | Windows Hyper-V | 5.4 | 0.0171 | | | [CVE-2019-1381](https://patchblox.com/security/data/cve/CVE-2019-1381.md) | Routine | Microsoft Windows | 6.6 | 0.0156 | | | [CVE-2019-1409](https://patchblox.com/security/data/cve/CVE-2019-1409.md) | Routine | Microsoft RPC | 5.5 | 0.0140 | | | [CVE-2019-1391](https://patchblox.com/security/data/cve/CVE-2019-1391.md) | Routine | Microsoft Windows | 5.5 | 0.0132 | | | [CVE-2019-1413](https://patchblox.com/security/data/cve/CVE-2019-1413.md) | Routine | Microsoft Edge | 4.3 | 0.0112 | | | [CVE-2018-12207](https://patchblox.com/security/data/cve/CVE-2018-12207.md) | Routine | Microsoft Windows | 6.5 | 0.0092 | | --- Data as of 2026-11-07T12:40:37Z 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 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.