# KB4457144: September 2018 security update KB4457144, released September 11, 2018, fixes 23 CVEs across 8 products. One of them is being exploited (CVE-2018-8440); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb4457144 - Platform: Microsoft - Released: Sep 11, 2018 - Priority: Patch now (Closes CVE-2018-8440, exploited (CISA KEV, ransomware)) - CVEs: 23, exploited: 1, on CISA KEV: 1 - Vendor advisory: https://support.microsoft.com/help/4457144 ## Applies to | Product | Release | Fixed in | |---|---|---| | [Internet Explorer 11 on Windows 7 for 32-bit Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-7-for-32-bit-systems-service-pack-1.md) | | | | [Internet Explorer 11 on Windows 7 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-7-for-x64-based-systems-service-pack-1.md) | | | | [Internet Explorer 11 on Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/internet-explorer-11-on-windows-server-2008-r2-for-x64-based-systems-service-pack-1.md) | | | | [Windows 7 for 32-bit Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/windows-7-for-32-bit-systems-service-pack-1.md) | | | | [Windows 7 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/windows-7-for-x64-based-systems-service-pack-1.md) | | | | [Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/windows-server-2008-r2-for-itanium-based-systems-service-pack-1.md) | | | | [Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/windows-server-2008-r2-for-x64-based-systems-service-pack-1.md) | | | | [Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-r2-for-x64-based-systems-service-pack-1-server-core-installation.md) | | | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2018-8440](https://patchblox.com/security/data/cve/CVE-2018-8440.md) | Patch now | Microsoft Windows | 7.8 | 0.1853 | CISA KEV, Ransomware, Disclosed | | [CVE-2018-8420](https://patchblox.com/security/data/cve/CVE-2018-8420.md) | Urgent | Microsoft XML Core Services | 7.5 | 0.4890 | More likely | | [CVE-2018-8332](https://patchblox.com/security/data/cve/CVE-2018-8332.md) | Urgent | Microsoft Graphics Component | 8.8 | 0.1907 | | | [CVE-2018-8475](https://patchblox.com/security/data/cve/CVE-2018-8475.md) | Urgent | Microsoft Graphics Component | 8.8 | 0.1586 | Disclosed | | [CVE-2018-8457](https://patchblox.com/security/data/cve/CVE-2018-8457.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1308 | Disclosed | | [CVE-2018-8447](https://patchblox.com/security/data/cve/CVE-2018-8447.md) | Urgent | Internet Explorer | 6.4 | 0.1290 | More likely | | [CVE-2018-8468](https://patchblox.com/security/data/cve/CVE-2018-8468.md) | Urgent | Windows Shell | 4.3 | 0.1177 | More likely | | [CVE-2018-8452](https://patchblox.com/security/data/cve/CVE-2018-8452.md) | Urgent | Microsoft Scripting Engine | 4.3 | 0.0559 | More likely | | [CVE-2018-8410](https://patchblox.com/security/data/cve/CVE-2018-8410.md) | Urgent | Microsoft Windows | 7.0 | 0.0398 | More likely | | [CVE-2018-8470](https://patchblox.com/security/data/cve/CVE-2018-8470.md) | Urgent | Internet Explorer | 4.3 | 0.0327 | More likely | | [CVE-2018-8442](https://patchblox.com/security/data/cve/CVE-2018-8442.md) | Urgent | Windows Kernel | 4.7 | 0.0278 | More likely | | [CVE-2018-8392](https://patchblox.com/security/data/cve/CVE-2018-8392.md) | High | Microsoft JET Database Engine | 7.8 | 0.2276 | | | [CVE-2018-8393](https://patchblox.com/security/data/cve/CVE-2018-8393.md) | High | Microsoft JET Database Engine | 7.8 | 0.2248 | | | [CVE-2018-8424](https://patchblox.com/security/data/cve/CVE-2018-8424.md) | Routine | Microsoft Graphics Component | 4.7 | 0.1299 | | | [CVE-2018-8422](https://patchblox.com/security/data/cve/CVE-2018-8422.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0627 | | | [CVE-2018-8434](https://patchblox.com/security/data/cve/CVE-2018-8434.md) | Routine | Windows Hyper-V | 5.4 | 0.0349 | | | [CVE-2018-8315](https://patchblox.com/security/data/cve/CVE-2018-8315.md) | Routine | Microsoft Scripting Engine | 4.2 | 0.0318 | | | [CVE-2018-8443](https://patchblox.com/security/data/cve/CVE-2018-8443.md) | Routine | Windows Kernel | 4.7 | 0.0278 | | | [CVE-2018-8446](https://patchblox.com/security/data/cve/CVE-2018-8446.md) | Routine | Windows Kernel | 4.7 | 0.0278 | | | [CVE-2018-8271](https://patchblox.com/security/data/cve/CVE-2018-8271.md) | Routine | Microsoft Windows | 2.5 | 0.0278 | | | [CVE-2018-8336](https://patchblox.com/security/data/cve/CVE-2018-8336.md) | Routine | Windows Kernel | 2.5 | 0.0278 | | | [CVE-2018-8433](https://patchblox.com/security/data/cve/CVE-2018-8433.md) | Routine | Microsoft Graphics Component | 4.7 | 0.0263 | | | [CVE-2018-8419](https://patchblox.com/security/data/cve/CVE-2018-8419.md) | Routine | Windows Media | 4.7 | 0.0168 | | --- 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