# KB4041687: October 2017 security update

KB4041687, released October 10, 2017, fixes 24 CVEs across 4 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb4041687
- Platform: Microsoft
- Released: Oct 10, 2017
- Priority: Urgent (Closes CVE-2017-11771, exploitation more likely)
- CVEs: 24, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4041687

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows 8.1 for 32-bit systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-32-bit-systems.md) |  |  |
| [Windows 8.1 for x64-based systems](https://patchblox.com/security/data/product/microsoft/windows-8.1-for-x64-based-systems.md) |  |  |
| [Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2.md) |  |  |
| [Windows Server 2012 R2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2017-11771](https://patchblox.com/security/data/cve/CVE-2017-11771.md) | Urgent | Microsoft Windows Search Component | 8.1 | 0.5193 | More likely |
| [CVE-2017-11779](https://patchblox.com/security/data/cve/CVE-2017-11779.md) | Urgent | Microsoft Windows DNS | 8.1 | 0.3310 |  |
| [CVE-2017-0250](https://patchblox.com/security/data/cve/CVE-2017-0250.md) | Urgent | Microsoft JET Database Engine | 7.8 | 0.2366 |  |
| [CVE-2017-11816](https://patchblox.com/security/data/cve/CVE-2017-11816.md) | Urgent | Microsoft Graphics Component | 5.5 | 0.1996 | More likely |
| [CVE-2017-11762](https://patchblox.com/security/data/cve/CVE-2017-11762.md) | Urgent | Microsoft Graphics Component | 8.1 | 0.1715 | More likely |
| [CVE-2017-11763](https://patchblox.com/security/data/cve/CVE-2017-11763.md) | Urgent | Microsoft Graphics Component | 8.1 | 0.1715 | More likely |
| [CVE-2017-11780](https://patchblox.com/security/data/cve/CVE-2017-11780.md) | Urgent | Windows SMB Server | 8.1 | 0.0996 | More likely |
| [CVE-2017-11772](https://patchblox.com/security/data/cve/CVE-2017-11772.md) | Urgent | Microsoft Windows Search Component | 5.9 | 0.0830 | More likely |
| [CVE-2017-8727](https://patchblox.com/security/data/cve/CVE-2017-8727.md) | Urgent | Windows Shell | 7.5 | 0.0827 | More likely |
| [CVE-2017-11783](https://patchblox.com/security/data/cve/CVE-2017-11783.md) | Urgent | Microsoft Windows | 7.0 | 0.0250 | More likely |
| [CVE-2017-11765](https://patchblox.com/security/data/cve/CVE-2017-11765.md) | Urgent | Windows Kernel | 5.5 | 0.0232 | More likely |
| [CVE-2017-11814](https://patchblox.com/security/data/cve/CVE-2017-11814.md) | Urgent | Windows Kernel | 5.5 | 0.0232 | More likely |
| [CVE-2017-8689](https://patchblox.com/security/data/cve/CVE-2017-8689.md) | Urgent | Windows Kernel-Mode Drivers | 7.0 | 0.0115 | More likely |
| [CVE-2017-8694](https://patchblox.com/security/data/cve/CVE-2017-8694.md) | Urgent | Windows Kernel-Mode Drivers | 7.0 | 0.0115 | More likely |
| [CVE-2017-8717](https://patchblox.com/security/data/cve/CVE-2017-8717.md) | High | Microsoft JET Database Engine | 7.1 | 0.2485 |  |
| [CVE-2017-8718](https://patchblox.com/security/data/cve/CVE-2017-8718.md) | High | Microsoft JET Database Engine | 7.1 | 0.2398 |  |
| [CVE-2017-11781](https://patchblox.com/security/data/cve/CVE-2017-11781.md) | Routine | Windows SMB Server | 5.9 | 0.1440 |  |
| [CVE-2017-11815](https://patchblox.com/security/data/cve/CVE-2017-11815.md) | Routine | Windows SMB Server | 6.4 | 0.1335 |  |
| [CVE-2017-11785](https://patchblox.com/security/data/cve/CVE-2017-11785.md) | Routine | Windows Kernel | 4.7 | 0.0302 |  |
| [CVE-2017-11784](https://patchblox.com/security/data/cve/CVE-2017-11784.md) | Routine | Windows Kernel | 4.7 | 0.0232 |  |
| [CVE-2017-13080](https://patchblox.com/security/data/cve/CVE-2017-13080.md) | Routine | Microsoft Windows | 4.2 | 0.0229 |  |
| [CVE-2017-11817](https://patchblox.com/security/data/cve/CVE-2017-11817.md) | Routine | Windows Kernel | 4.7 | 0.0209 |  |
| [CVE-2017-11824](https://patchblox.com/security/data/cve/CVE-2017-11824.md) | Routine | Microsoft Graphics Component | 0.0 | 0.0121 |  |
| [CVE-2017-11818](https://patchblox.com/security/data/cve/CVE-2017-11818.md) | Routine | Microsoft Windows | 4.5 | 0.0117 |  |

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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