# KB4038781: September 2017 cumulative update for Windows 10 1507 KB4038781, released September 12, 2017, fixes 46 CVEs across 10 products. One of them is being exploited (CVE-2017-8759); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported. - Web page: https://patchblox.com/security/fix/microsoft/kb4038781 - Platform: Microsoft - Released: Sep 12, 2017 - Priority: Patch now (Closes CVE-2017-8759, exploited (CISA KEV)) - CVEs: 46, exploited: 1, on CISA KEV: 1 - Vendor advisory: https://support.microsoft.com/help/4038781 ## 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) | | 10240.17609 | | [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) | | 10240.17609 | | [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) | | 10240.17609 | | [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) | | 10240.17609 | | [Microsoft .NET Framework 4.6 on Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6-on-windows-10-for-32-bit-systems.md) | | 10240.17609 | | [Microsoft .NET Framework 4.6 on Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-4.6-on-windows-10-for-x64-based-systems.md) | | 10240.17609 | | [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) | | 10240.17609 | | [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) | | 10240.17609 | | [Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-for-32-bit-systems.md) | | 10240.17609 | | [Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-for-x64-based-systems.md) | | 10240.17609 | ## CVEs this fix closes | CVE | Priority | Component | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2017-8759](https://patchblox.com/security/data/cve/CVE-2017-8759.md) | Patch now | .NET Framework | n/a | 0.8870 | CISA KEV | | [CVE-2017-8734](https://patchblox.com/security/data/cve/CVE-2017-8734.md) | Urgent | Microsoft Edge | 4.2 | 0.5254 | More likely | | [CVE-2017-8682](https://patchblox.com/security/data/cve/CVE-2017-8682.md) | Urgent | Microsoft Graphics Component | 8.4 | 0.4977 | | | [CVE-2016-3238](https://patchblox.com/security/data/cve/CVE-2016-3238.md) | Urgent | Windows Print Spooler Components | 8.8 | 0.3362 | | | [CVE-2017-8728](https://patchblox.com/security/data/cve/CVE-2017-8728.md) | Urgent | Microsoft Windows PDF | 4.2 | 0.2153 | | | [CVE-2017-8737](https://patchblox.com/security/data/cve/CVE-2017-8737.md) | Urgent | Microsoft Windows PDF | 2.6 | 0.2153 | | | [CVE-2017-8757](https://patchblox.com/security/data/cve/CVE-2017-8757.md) | Urgent | Microsoft Edge | 4.2 | 0.1642 | More likely | | [CVE-2017-8741](https://patchblox.com/security/data/cve/CVE-2017-8741.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1192 | More likely | | [CVE-2017-8748](https://patchblox.com/security/data/cve/CVE-2017-8748.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.1177 | More likely | | [CVE-2017-0161](https://patchblox.com/security/data/cve/CVE-2017-0161.md) | Urgent | Windows NetBIOS | 8.1 | 0.1123 | | | [CVE-2017-8747](https://patchblox.com/security/data/cve/CVE-2017-8747.md) | Urgent | Internet Explorer | 6.4 | 0.1080 | More likely | | [CVE-2017-8749](https://patchblox.com/security/data/cve/CVE-2017-8749.md) | Urgent | Internet Explorer | 6.4 | 0.1080 | More likely | | [CVE-2017-8750](https://patchblox.com/security/data/cve/CVE-2017-8750.md) | Urgent | Microsoft Browsers | 7.5 | 0.0896 | More likely | | [CVE-2017-8738](https://patchblox.com/security/data/cve/CVE-2017-8738.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0872 | More likely | | [CVE-2017-8753](https://patchblox.com/security/data/cve/CVE-2017-8753.md) | Urgent | Microsoft Scripting Engine | 4.2 | 0.0872 | More likely | | [CVE-2017-8756](https://patchblox.com/security/data/cve/CVE-2017-8756.md) | Urgent | Microsoft Edge | 4.2 | 0.0872 | More likely | | [CVE-2017-11766](https://patchblox.com/security/data/cve/CVE-2017-11766.md) | Urgent | Microsoft Edge | 4.2 | 0.0864 | More likely | | [CVE-2017-8643](https://patchblox.com/security/data/cve/CVE-2017-8643.md) | Urgent | Microsoft Edge | 2.4 | 0.0584 | More likely | | [CVE-2017-8599](https://patchblox.com/security/data/cve/CVE-2017-8599.md) | Urgent | Microsoft Edge | 6.5 | 0.0514 | More likely | | [CVE-2017-8675](https://patchblox.com/security/data/cve/CVE-2017-8675.md) | Urgent | Windows Kernel-Mode Drivers | 7.0 | 0.0156 | More likely | | [CVE-2017-8695](https://patchblox.com/security/data/cve/CVE-2017-8695.md) | High | Microsoft Graphics Component | 7.5 | 0.0964 | | | [CVE-2017-8713](https://patchblox.com/security/data/cve/CVE-2017-8713.md) | High | Windows Hyper-V | 7.2 | 0.0348 | | | [CVE-2017-8706](https://patchblox.com/security/data/cve/CVE-2017-8706.md) | High | Windows Hyper-V | 7.2 | 0.0242 | | | [CVE-2017-8707](https://patchblox.com/security/data/cve/CVE-2017-8707.md) | High | Windows Hyper-V | 7.2 | 0.0242 | | | [CVE-2017-8628](https://patchblox.com/security/data/cve/CVE-2017-8628.md) | High | Microsoft Bluetooth Driver | 8.1 | 0.0231 | | | [CVE-2017-8720](https://patchblox.com/security/data/cve/CVE-2017-8720.md) | High | Microsoft Graphics Component | 7.8 | 0.0164 | | | [CVE-2017-8702](https://patchblox.com/security/data/cve/CVE-2017-8702.md) | High | Microsoft Windows | 7.5 | 0.0101 | | | [CVE-2017-8683](https://patchblox.com/security/data/cve/CVE-2017-8683.md) | Routine | Microsoft Graphics Component | 5.5 | 0.2255 | | | [CVE-2017-8699](https://patchblox.com/security/data/cve/CVE-2017-8699.md) | Routine | Microsoft Windows | 6.4 | 0.2130 | | | [CVE-2017-8692](https://patchblox.com/security/data/cve/CVE-2017-8692.md) | Routine | Microsoft Uniscribe | 5.0 | 0.1691 | | | [CVE-2017-8529](https://patchblox.com/security/data/cve/CVE-2017-8529.md) | Routine | Microsoft Browsers | 4.3 | 0.1420 | | | [CVE-2017-8676](https://patchblox.com/security/data/cve/CVE-2017-8676.md) | Routine | Microsoft Graphics Component | 3.3 | 0.1404 | | | [CVE-2017-8736](https://patchblox.com/security/data/cve/CVE-2017-8736.md) | Routine | Microsoft Browsers | 2.4 | 0.0844 | | | [CVE-2017-8733](https://patchblox.com/security/data/cve/CVE-2017-8733.md) | Routine | Internet Explorer | 2.4 | 0.0516 | | | [CVE-2017-8723](https://patchblox.com/security/data/cve/CVE-2017-8723.md) | Routine | Microsoft Edge | 4.3 | 0.0431 | Disclosed | | [CVE-2017-8678](https://patchblox.com/security/data/cve/CVE-2017-8678.md) | Routine | Windows Kernel-Mode Drivers | 5.5 | 0.0423 | | | [CVE-2017-8681](https://patchblox.com/security/data/cve/CVE-2017-8681.md) | Routine | Windows Kernel-Mode Drivers | 5.5 | 0.0423 | | | [CVE-2017-8687](https://patchblox.com/security/data/cve/CVE-2017-8687.md) | Routine | Windows Kernel-Mode Drivers | 5.5 | 0.0423 | | | [CVE-2017-8735](https://patchblox.com/security/data/cve/CVE-2017-8735.md) | Routine | Microsoft Edge | 4.3 | 0.0378 | | | [CVE-2017-8708](https://patchblox.com/security/data/cve/CVE-2017-8708.md) | Routine | Windows Kernel | 4.7 | 0.0368 | | | [CVE-2017-8677](https://patchblox.com/security/data/cve/CVE-2017-8677.md) | Routine | Windows Kernel-Mode Drivers | 5.5 | 0.0366 | | | [CVE-2017-8679](https://patchblox.com/security/data/cve/CVE-2017-8679.md) | Routine | Windows Kernel | 5.5 | 0.0366 | | | [CVE-2017-8688](https://patchblox.com/security/data/cve/CVE-2017-8688.md) | Routine | Microsoft Graphics Component | 5.5 | 0.0366 | | | [CVE-2017-8709](https://patchblox.com/security/data/cve/CVE-2017-8709.md) | Routine | Windows Kernel | 4.7 | 0.0349 | | | [CVE-2017-8719](https://patchblox.com/security/data/cve/CVE-2017-8719.md) | Routine | Windows Kernel | 4.7 | 0.0349 | | | [CVE-2017-8754](https://patchblox.com/security/data/cve/CVE-2017-8754.md) | Routine | Microsoft Edge | 4.2 | 0.0346 | | --- Data as of 2026-11-07T18:46:35Z UTC. 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