# KB4343885: August 2018 cumulative update for Windows 10 1703 KB4343885, released August 14, 2018, fixes 38 CVEs across 10 products. 4 of them are being exploited (CVE-2018-8414); 4 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb4343885 - Platform: Microsoft - Released: Aug 14, 2018 - Priority: Patch now (Closes CVE-2018-8414, exploited (CISA KEV)) - CVEs: 38, exploited: 4, on CISA KEV: 4 - Vendor advisory: https://support.microsoft.com/help/4343885 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Internet Explorer 11 on Windows 10 Version 1703 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1703-for-32-bit-systems.md) | | 15063.1266 | | [Internet Explorer 11 on Windows 10 Version 1703 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-version-1703-for-x64-based-systems.md) | | 15063.1266 | | [Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-10-version-1703-for-32-bit-systems.md) | | 15063.1266 | | [Microsoft .NET Framework 3.5 on Windows 10 Version 1703 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-10-version-1703-for-x64-based-systems.md) | | 15063.1266 | | [Microsoft .NET Framework 4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.7-4.7.1-4.7.2-on-windows-10-version-1703-for-32-bit-systems.md) | | 15063.1266 | | [Microsoft .NET Framework 4.7/4.7.1/4.7.2 on Windows 10 Version 1703 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.7-4.7.1-4.7.2-on-windows-10-version-1703-for-x64-based-systems.md) | | 15063.1266 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1703-for-32-bit-systems.md) | | 15063.1266 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1703 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1703-for-x64-based-systems.md) | | 15063.1266 | | [Windows 10 Version 1703 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1703-for-32-bit-systems.md) | | 15063.1266 | | [Windows 10 Version 1703 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1703-for-x64-based-systems.md) | | 15063.1266 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2018-8414](https://patchblox.com/security/data/cve/CVE-2018-8414.md) | Patch now | Windows Shell | 4.8 | 0.7262 | CISA KEV, Disclosed | | [CVE-2018-8373](https://patchblox.com/security/data/cve/CVE-2018-8373.md) | Patch now | Microsoft Scripting Engine | 6.4 | 0.6177 | CISA KEV, Disclosed | | [CVE-2018-8405](https://patchblox.com/security/data/cve/CVE-2018-8405.md) | Patch now | Microsoft Graphics Component | 7.0 | 0.0344 | CISA KEV, Ransomware | | [CVE-2018-8406](https://patchblox.com/security/data/cve/CVE-2018-8406.md) | Patch now | Microsoft Graphics Component | 7.0 | 0.0344 | CISA KEV, Ransomware | | [CVE-2018-8355](https://patchblox.com/security/data/cve/CVE-2018-8355.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.6790 | More likely | | [CVE-2018-8353](https://patchblox.com/security/data/cve/CVE-2018-8353.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.6734 | More likely | | [CVE-2018-8389](https://patchblox.com/security/data/cve/CVE-2018-8389.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.3035 | More likely | | [CVE-2018-8266](https://patchblox.com/security/data/cve/CVE-2018-8266.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.2868 | More likely | | [CVE-2018-8372](https://patchblox.com/security/data/cve/CVE-2018-8372.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.2628 | More likely | | [CVE-2018-8344](https://patchblox.com/security/data/cve/CVE-2018-8344.md) | Urgent | Microsoft Graphics Component | 7.8 | 0.2298 | More likely | | [CVE-2018-8350](https://patchblox.com/security/data/cve/CVE-2018-8350.md) | Urgent | Microsoft Windows PDF | 4.2 | 0.1977 | | | [CVE-2018-8371](https://patchblox.com/security/data/cve/CVE-2018-8371.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.1538 | More likely | | [CVE-2018-8381](https://patchblox.com/security/data/cve/CVE-2018-8381.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1538 | More likely | | [CVE-2018-8390](https://patchblox.com/security/data/cve/CVE-2018-8390.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1538 | | | [CVE-2018-8385](https://patchblox.com/security/data/cve/CVE-2018-8385.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.1517 | More likely | | [CVE-2018-8345](https://patchblox.com/security/data/cve/CVE-2018-8345.md) | Urgent | Microsoft Windows | 7.5 | 0.1490 | More likely | | [CVE-2018-8403](https://patchblox.com/security/data/cve/CVE-2018-8403.md) | Urgent | Microsoft Browsers | 4.2 | 0.1337 | More likely | | [CVE-2018-8401](https://patchblox.com/security/data/cve/CVE-2018-8401.md) | Urgent | Microsoft Graphics Component | 7.0 | 0.0209 | More likely | | [CVE-2018-8347](https://patchblox.com/security/data/cve/CVE-2018-8347.md) | Urgent | Windows Kernel | 7.0 | 0.0135 | More likely | | [CVE-2018-8404](https://patchblox.com/security/data/cve/CVE-2018-8404.md) | Urgent | Windows Kernel | 7.0 | 0.0122 | More likely | | [CVE-2018-8349](https://patchblox.com/security/data/cve/CVE-2018-8349.md) | High | Windows COM | 7.0 | 0.2340 | | | [CVE-2018-8360](https://patchblox.com/security/data/cve/CVE-2018-8360.md) | High | .NET Framework | n/a | 0.0957 | | | [CVE-2018-8202](https://patchblox.com/security/data/cve/CVE-2018-8202.md) | High | .NET Framework | n/a | 0.0131 | | | [CVE-2018-8343](https://patchblox.com/security/data/cve/CVE-2018-8343.md) | High | Windows NDIS | 7.0 | 0.0129 | | | [CVE-2018-8339](https://patchblox.com/security/data/cve/CVE-2018-8339.md) | High | Windows Installer | 7.4 | 0.0116 | | | [CVE-2018-8399](https://patchblox.com/security/data/cve/CVE-2018-8399.md) | High | Windows Kernel | 7.0 | 0.0116 | | | [CVE-2018-8316](https://patchblox.com/security/data/cve/CVE-2018-8316.md) | Routine | Internet Explorer | 6.4 | 0.1450 | | | [CVE-2018-8394](https://patchblox.com/security/data/cve/CVE-2018-8394.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0851 | | | [CVE-2018-8398](https://patchblox.com/security/data/cve/CVE-2018-8398.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0851 | | | [CVE-2018-8351](https://patchblox.com/security/data/cve/CVE-2018-8351.md) | Routine | Microsoft Browsers | 4.2 | 0.0839 | | | [CVE-2018-8357](https://patchblox.com/security/data/cve/CVE-2018-8357.md) | Routine | Microsoft Browsers | 3.0 | 0.0829 | | | [CVE-2018-0952](https://patchblox.com/security/data/cve/CVE-2018-0952.md) | Routine | Windows Diagnostic Hub | 6.7 | 0.0623 | | | [CVE-2018-8370](https://patchblox.com/security/data/cve/CVE-2018-8370.md) | Routine | Microsoft Edge | 3.1 | 0.0488 | | | [CVE-2018-8388](https://patchblox.com/security/data/cve/CVE-2018-8388.md) | Routine | Microsoft Edge | 5.4 | 0.0391 | | | [CVE-2018-8341](https://patchblox.com/security/data/cve/CVE-2018-8341.md) | Routine | Windows Kernel | 4.7 | 0.0285 | | | [CVE-2018-8348](https://patchblox.com/security/data/cve/CVE-2018-8348.md) | Routine | Windows Kernel | 4.7 | 0.0235 | | | [CVE-2018-8200](https://patchblox.com/security/data/cve/CVE-2018-8200.md) | Routine | Device Guard | 5.3 | 0.0153 | | | [CVE-2018-8204](https://patchblox.com/security/data/cve/CVE-2018-8204.md) | Routine | Device Guard | 5.3 | 0.0153 | | --- 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