# KB4461473: November 2018 security update

KB4461473, released November 13, 2018, fixes 1 CVE across 4 products. None of them is reported as exploited. Patch Radar priority: Routine. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4461473
- Platform: Microsoft
- Released: Nov 13, 2018
- Priority: Routine (Closes CVE-2018-8546)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4461473

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Skype for Business 2016 (32-bit)](https://patchblox.com/security/data/product/microsoft/skype-for-business-2016-32-bit.md) |  |  |
| [Skype for Business 2016 (64-bit)](https://patchblox.com/security/data/product/microsoft/skype-for-business-2016-64-bit.md) |  |  |
| [Skype for Business 2016 Basic (32-bit)](https://patchblox.com/security/data/product/microsoft/skype-for-business-2016-basic-32-bit.md) |  |  |
| [Skype for Business 2016 Basic (64-bit)](https://patchblox.com/security/data/product/microsoft/skype-for-business-2016-basic-64-bit.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-8546](https://patchblox.com/security/data/cve/CVE-2018-8546.md) | Routine | Skype for Business and Microsoft Lync | n/a | 0.0546 |  |

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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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo