# KB4519338: October 2019 cumulative update for Windows 10 1809 KB4519338, released October 8, 2019, fixes 44 CVEs across 13 products. 3 of them are being exploited (CVE-2019-1367); 3 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb4519338 - Platform: Microsoft - Released: Oct 8, 2019 - Priority: Patch now (Closes CVE-2019-1367, exploited (CISA KEV, ransomware)) - CVEs: 44, exploited: 3, on CISA KEV: 3 - Vendor advisory: https://support.microsoft.com/help/4519338 ## 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) | | 17763.805 | | [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) | | 17763.805 | | [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) | | 17763.805 | | [Internet Explorer 11 on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2019.md) | | 17763.805 | | [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) | | 17763.805 | | [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) | | 17763.805 | | [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) | | 17763.805 | | [Microsoft Edge (EdgeHTML-based) on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-server-2019.md) | | 17763.805 | | [Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-32-bit-systems.md) | | 17763.805 | | [Windows 10 Version 1809 for ARM64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-arm64-based-systems.md) | | 17763.805 | | [Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-x64-based-systems.md) | | 17763.805 | | [Windows Server 2019](https://patchblox.com/security/data/product/microsoft/windows-server-2019.md) | | 17763.805 | | [Windows Server 2019 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2019-server-core-installation.md) | | 17763.805 | ## 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-2019-1322](https://patchblox.com/security/data/cve/CVE-2019-1322.md) | Patch now | Microsoft Windows | 7.0 | 0.1884 | CISA KEV, Ransomware | | [CVE-2019-1315](https://patchblox.com/security/data/cve/CVE-2019-1315.md) | Patch now | Microsoft Windows | 7.8 | 0.0348 | CISA KEV, Ransomware | | [CVE-2019-1333](https://patchblox.com/security/data/cve/CVE-2019-1333.md) | Urgent | Windows RDP | 7.5 | 0.1598 | More likely | | [CVE-2019-1060](https://patchblox.com/security/data/cve/CVE-2019-1060.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.1379 | | | [CVE-2019-1307](https://patchblox.com/security/data/cve/CVE-2019-1307.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1010 | | | [CVE-2019-1308](https://patchblox.com/security/data/cve/CVE-2019-1308.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1010 | | | [CVE-2019-1335](https://patchblox.com/security/data/cve/CVE-2019-1335.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0990 | | | [CVE-2019-1366](https://patchblox.com/security/data/cve/CVE-2019-1366.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0990 | | | [CVE-2019-1239](https://patchblox.com/security/data/cve/CVE-2019-1239.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.0755 | | | [CVE-2019-1192](https://patchblox.com/security/data/cve/CVE-2019-1192.md) | Urgent | Microsoft Browsers | 2.4 | 0.0371 | More likely | | [CVE-2019-1341](https://patchblox.com/security/data/cve/CVE-2019-1341.md) | Urgent | Microsoft Windows | 7.8 | 0.0109 | More likely | | [CVE-2019-1358](https://patchblox.com/security/data/cve/CVE-2019-1358.md) | High | Microsoft JET Database Engine | 7.8 | 0.7593 | | | [CVE-2019-1311](https://patchblox.com/security/data/cve/CVE-2019-1311.md) | High | Microsoft Windows | 7.8 | 0.3623 | | | [CVE-2019-1359](https://patchblox.com/security/data/cve/CVE-2019-1359.md) | High | Microsoft JET Database Engine | 7.8 | 0.1927 | | | [CVE-2019-1326](https://patchblox.com/security/data/cve/CVE-2019-1326.md) | High | Windows RDP | 7.5 | 0.0646 | | | [CVE-2019-1365](https://patchblox.com/security/data/cve/CVE-2019-1365.md) | High | Windows IIS | 7.5 | 0.0435 | | | [CVE-2019-1318](https://patchblox.com/security/data/cve/CVE-2019-1318.md) | High | Microsoft Windows | 7.7 | 0.0352 | | | [CVE-2019-1339](https://patchblox.com/security/data/cve/CVE-2019-1339.md) | High | Microsoft Windows | 7.8 | 0.0132 | | | [CVE-2019-1342](https://patchblox.com/security/data/cve/CVE-2019-1342.md) | High | Microsoft Windows | 7.0 | 0.0118 | | | [CVE-2019-1340](https://patchblox.com/security/data/cve/CVE-2019-1340.md) | High | Microsoft Windows | 7.8 | 0.0113 | | | [CVE-2019-1320](https://patchblox.com/security/data/cve/CVE-2019-1320.md) | High | Microsoft Windows | 7.0 | 0.0109 | | | [CVE-2019-1323](https://patchblox.com/security/data/cve/CVE-2019-1323.md) | High | Windows Update Stack | 7.0 | 0.0098 | | | [CVE-2019-1319](https://patchblox.com/security/data/cve/CVE-2019-1319.md) | High | Microsoft Windows | 7.0 | 0.0097 | | | [CVE-2019-1336](https://patchblox.com/security/data/cve/CVE-2019-1336.md) | High | Windows Update Stack | 7.0 | 0.0097 | | | [CVE-2019-1454](https://patchblox.com/security/data/cve/CVE-2019-1454.md) | High | Microsoft Windows | n/a | 0.0064 | | | [CVE-2019-1166](https://patchblox.com/security/data/cve/CVE-2019-1166.md) | Routine | Windows NTLM | 5.9 | 0.6811 | | | [CVE-2019-1347](https://patchblox.com/security/data/cve/CVE-2019-1347.md) | Routine | Microsoft Windows | 5.7 | 0.1494 | | | [CVE-2019-1343](https://patchblox.com/security/data/cve/CVE-2019-1343.md) | Routine | Windows Kernel | 6.5 | 0.1093 | | | [CVE-2019-1346](https://patchblox.com/security/data/cve/CVE-2019-1346.md) | Routine | Microsoft Windows | 5.7 | 0.1093 | | | [CVE-2019-1371](https://patchblox.com/security/data/cve/CVE-2019-1371.md) | Routine | Internet Explorer | 6.4 | 0.0740 | | | [CVE-2019-1356](https://patchblox.com/security/data/cve/CVE-2019-1356.md) | Routine | Microsoft Edge (HTML-based) | 4.3 | 0.0624 | | | [CVE-2019-1238](https://patchblox.com/security/data/cve/CVE-2019-1238.md) | Routine | Microsoft Scripting Engine | 6.4 | 0.0586 | | | [CVE-2019-1230](https://patchblox.com/security/data/cve/CVE-2019-1230.md) | Routine | Windows Hyper-V | 6.8 | 0.0580 | | | [CVE-2019-1344](https://patchblox.com/security/data/cve/CVE-2019-1344.md) | Routine | Microsoft Windows | 5.5 | 0.0307 | | | [CVE-2019-1345](https://patchblox.com/security/data/cve/CVE-2019-1345.md) | Routine | Windows Kernel | 5.5 | 0.0304 | | | [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 | | | [CVE-2019-1334](https://patchblox.com/security/data/cve/CVE-2019-1334.md) | Routine | Windows Kernel | 4.7 | 0.0225 | | | [CVE-2019-1337](https://patchblox.com/security/data/cve/CVE-2019-1337.md) | Routine | Windows Update Stack | 5.5 | 0.0220 | | | [CVE-2019-1325](https://patchblox.com/security/data/cve/CVE-2019-1325.md) | Routine | Microsoft Windows | 5.5 | 0.0144 | | | [CVE-2019-1368](https://patchblox.com/security/data/cve/CVE-2019-1368.md) | Routine | Windows Secure Boot | 4.9 | 0.0135 | | | [CVE-2019-1317](https://patchblox.com/security/data/cve/CVE-2019-1317.md) | Routine | Microsoft Windows | 6.4 | 0.0100 | | | [CVE-2019-1321](https://patchblox.com/security/data/cve/CVE-2019-1321.md) | Routine | Microsoft Windows | 5.8 | 0.0097 | | --- 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