# KB4345455: July 2018 cumulative update for Windows 10 1507 KB4345455, released July 16, 2018, fixes 21 CVEs across 10 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb4345455 - Platform: Microsoft - Released: Jul 16, 2018 - Priority: Urgent (Closes CVE-2018-8291, exploitation more likely) - CVEs: 21, exploited: 0, on CISA KEV: 0 - Vendor advisory: https://support.microsoft.com/help/4345455 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Internet Explorer 11 on Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-for-32-bit-systems.md) | | 10240.17918 | | [Internet Explorer 11 on Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-10-for-x64-based-systems.md) | | 10240.17918 | | [Microsoft .NET Framework 3.5 on Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-10-for-32-bit-systems.md) | | 10240.17918 | | [Microsoft .NET Framework 3.5 on Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-on-windows-10-for-x64-based-systems.md) | | 10240.17918 | | [Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6-4.6.1-4.6.2-on-windows-10-for-32-bit-systems.md) | | 10240.17918 | | [Microsoft .NET Framework 4.6/4.6.1/4.6.2 on Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6-4.6.1-4.6.2-on-windows-10-for-x64-based-systems.md) | | 10240.17918 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-for-32-bit-systems.md) | | 10240.17918 | | [Microsoft Edge (EdgeHTML-based) on Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-for-x64-based-systems.md) | | 10240.17918 | | [Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-for-32-bit-systems.md) | | 10240.17918 | | [Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-for-x64-based-systems.md) | | 10240.17918 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2018-8288](https://patchblox.com/security/data/cve/CVE-2018-8288.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.6922 | More likely | | [CVE-2018-8291](https://patchblox.com/security/data/cve/CVE-2018-8291.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.6922 | More likely | | [CVE-2018-8280](https://patchblox.com/security/data/cve/CVE-2018-8280.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.2099 | More likely | | [CVE-2018-8290](https://patchblox.com/security/data/cve/CVE-2018-8290.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.2099 | More likely | | [CVE-2018-8125](https://patchblox.com/security/data/cve/CVE-2018-8125.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.2036 | More likely | | [CVE-2018-8242](https://patchblox.com/security/data/cve/CVE-2018-8242.md) | Urgent | Microsoft Scripting Engine | 6.4 | 0.1930 | More likely | | [CVE-2018-8296](https://patchblox.com/security/data/cve/CVE-2018-8296.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.1705 | More likely | | [CVE-2018-8287](https://patchblox.com/security/data/cve/CVE-2018-8287.md) | Urgent | Microsoft Scripting Engine | 7.5 | 0.1633 | More likely | | [CVE-2018-0949](https://patchblox.com/security/data/cve/CVE-2018-0949.md) | Urgent | Internet Explorer | 2.4 | 0.1203 | More likely | | [CVE-2018-8313](https://patchblox.com/security/data/cve/CVE-2018-8313.md) | Urgent | Microsoft Windows | 7.8 | 0.0131 | Disclosed | | [CVE-2018-8284](https://patchblox.com/security/data/cve/CVE-2018-8284.md) | High | .NET Framework | n/a | 0.4599 | | | [CVE-2018-8206](https://patchblox.com/security/data/cve/CVE-2018-8206.md) | High | Microsoft Windows | 7.5 | 0.1181 | | | [CVE-2018-8282](https://patchblox.com/security/data/cve/CVE-2018-8282.md) | High | Windows Kernel | 8.8 | 0.0131 | | | [CVE-2018-8202](https://patchblox.com/security/data/cve/CVE-2018-8202.md) | High | .NET Framework | n/a | 0.0131 | | | [CVE-2018-8356](https://patchblox.com/security/data/cve/CVE-2018-8356.md) | High | .NET Framework | n/a | 0.0075 | | | [CVE-2018-8304](https://patchblox.com/security/data/cve/CVE-2018-8304.md) | Routine | Microsoft Windows DNS | 5.9 | 0.1292 | | | [CVE-2018-8314](https://patchblox.com/security/data/cve/CVE-2018-8314.md) | Routine | Windows Shell | 4.3 | 0.0417 | Disclosed | | [CVE-2018-8308](https://patchblox.com/security/data/cve/CVE-2018-8308.md) | Routine | Microsoft Windows | 6.6 | 0.0394 | | | [CVE-2018-8307](https://patchblox.com/security/data/cve/CVE-2018-8307.md) | Routine | Microsoft WordPad | 5.3 | 0.0382 | | | [CVE-2018-8222](https://patchblox.com/security/data/cve/CVE-2018-8222.md) | Routine | Device Guard | 5.3 | 0.0214 | | | [CVE-2018-8309](https://patchblox.com/security/data/cve/CVE-2018-8309.md) | Routine | Microsoft Windows | 5.5 | 0.0171 | | --- 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