# KB4468741: December 2018 security update

KB4468741, released December 11, 2018, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: High. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4468741
- Platform: Microsoft
- Released: Dec 11, 2018
- Priority: High (Closes CVE-2018-8604, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4468741

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Exchange Server 2016 Cumulative Update 10](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2016-cumulative-update-10.md) |  |  |
| [Microsoft Exchange Server 2016 Cumulative Update 11](https://patchblox.com/security/data/product/microsoft/microsoft-exchange-server-2016-cumulative-update-11.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-8604](https://patchblox.com/security/data/cve/CVE-2018-8604.md) | High | Microsoft Exchange Server | n/a | 0.0241 |  |

---

Data as of 2026-11-07T18:46:35Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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.