# KB4464330: October 2018 cumulative update for Windows 10 1809 KB4464330, released October 9, 2018, fixes 27 CVEs across 12 products. One of them is being exploited (CVE-2018-8453); 1 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/microsoft/kb4464330 - Platform: Microsoft - Released: Oct 9, 2018 - Priority: Patch now (Closes CVE-2018-8453, exploited (CISA KEV, ransomware)) - CVEs: 27, exploited: 1, on CISA KEV: 1 - Vendor advisory: https://support.microsoft.com/help/4464330 ## 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) | | 17763.55 | | [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) | | 17763.55 | | [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) | | 17763.55 | | [Internet Explorer 11 on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2019.md) | | 17763.55 | | [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) | | 17763.55 | | [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) | | 17763.55 | | [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) | | 17763.55 | | [Microsoft Edge (EdgeHTML-based) on Windows Server 2019](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-server-2019.md) | | 17763.55 | | [Windows 10 Version 1809 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-32-bit-systems.md) | | 17763.55 | | [Windows 10 Version 1809 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1809-for-x64-based-systems.md) | | 17763.55 | | [Windows Server 2019](https://patchblox.com/security/data/product/microsoft/windows-server-2019.md) | | 17763.55 | | [Windows Server 2019 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2019-server-core-installation.md) | | 17763.55 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2018-8453](https://patchblox.com/security/data/cve/CVE-2018-8453.md) | Patch now | Microsoft Graphics Component | 7.0 | 0.7004 | CISA KEV, Ransomware | | [CVE-2018-8413](https://patchblox.com/security/data/cve/CVE-2018-8413.md) | Urgent | Windows Shell | 5.0 | 0.4625 | More likely | | [CVE-2018-8494](https://patchblox.com/security/data/cve/CVE-2018-8494.md) | Urgent | Microsoft XML Core Services | 7.5 | 0.2209 | | | [CVE-2018-8460](https://patchblox.com/security/data/cve/CVE-2018-8460.md) | Urgent | Internet Explorer | 7.5 | 0.2067 | More likely | | [CVE-2018-8473](https://patchblox.com/security/data/cve/CVE-2018-8473.md) | Urgent | Microsoft Edge | 4.2 | 0.1423 | More likely | | [CVE-2018-8505](https://patchblox.com/security/data/cve/CVE-2018-8505.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1423 | More likely | | [CVE-2018-8510](https://patchblox.com/security/data/cve/CVE-2018-8510.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1423 | More likely | | [CVE-2018-8511](https://patchblox.com/security/data/cve/CVE-2018-8511.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1423 | More likely | | [CVE-2018-8513](https://patchblox.com/security/data/cve/CVE-2018-8513.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1423 | More likely | | [CVE-2018-8491](https://patchblox.com/security/data/cve/CVE-2018-8491.md) | Urgent | Internet Explorer | 7.5 | 0.1279 | More likely | | [CVE-2018-8489](https://patchblox.com/security/data/cve/CVE-2018-8489.md) | Urgent | Windows Hyper-V | 7.6 | 0.0440 | | | [CVE-2018-8490](https://patchblox.com/security/data/cve/CVE-2018-8490.md) | Urgent | Windows Hyper-V | 7.6 | 0.0413 | | | [CVE-2018-8411](https://patchblox.com/security/data/cve/CVE-2018-8411.md) | Urgent | Microsoft Windows | 7.0 | 0.0307 | More likely | | [CVE-2018-8492](https://patchblox.com/security/data/cve/CVE-2018-8492.md) | Urgent | Device Guard | 5.3 | 0.0210 | More likely | | [CVE-2018-8333](https://patchblox.com/security/data/cve/CVE-2018-8333.md) | Urgent | Microsoft Windows | 7.0 | 0.0187 | More likely | | [CVE-2018-8486](https://patchblox.com/security/data/cve/CVE-2018-8486.md) | Urgent | Microsoft Graphics Component | 4.7 | 0.0175 | More likely | | [CVE-2018-8497](https://patchblox.com/security/data/cve/CVE-2018-8497.md) | Urgent | Windows Kernel | 7.8 | 0.0111 | Disclosed | | [CVE-2018-8423](https://patchblox.com/security/data/cve/CVE-2018-8423.md) | High | Microsoft JET Database Engine | 7.8 | 0.3215 | Disclosed | | [CVE-2018-8484](https://patchblox.com/security/data/cve/CVE-2018-8484.md) | High | Microsoft Graphics Component | 7.0 | 0.0118 | | | [CVE-2018-8432](https://patchblox.com/security/data/cve/CVE-2018-8432.md) | Routine | Microsoft Office | 5.0 | 0.1955 | | | [CVE-2018-8472](https://patchblox.com/security/data/cve/CVE-2018-8472.md) | Routine | Microsoft Graphics Component | 4.7 | 0.1887 | | | [CVE-2018-8503](https://patchblox.com/security/data/cve/CVE-2018-8503.md) | Routine | Microsoft Scripting Engine | 4.2 | 0.1423 | | | [CVE-2018-8481](https://patchblox.com/security/data/cve/CVE-2018-8481.md) | Routine | Windows Media Player | 3.5 | 0.0500 | | | [CVE-2018-8482](https://patchblox.com/security/data/cve/CVE-2018-8482.md) | Routine | Windows Media Player | 3.5 | 0.0500 | | | [CVE-2018-8320](https://patchblox.com/security/data/cve/CVE-2018-8320.md) | Routine | Microsoft Windows DNS | 4.3 | 0.0465 | | | [CVE-2018-8506](https://patchblox.com/security/data/cve/CVE-2018-8506.md) | Routine | Microsoft Windows | 3.3 | 0.0436 | | | [CVE-2018-8330](https://patchblox.com/security/data/cve/CVE-2018-8330.md) | Routine | Windows Kernel | 4.7 | 0.0254 | | --- Data as of 2026-11-07T18:46:35Z UTC. 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