# 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 |  |

---

Data as of 2026-11-10T07:50:38Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.