# KB4484141: November 2019 security update

KB4484141, released November 12, 2019, fixes 3 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/microsoft/kb4484141
- Platform: Microsoft
- Released: Nov 12, 2019
- Priority: High (Closes CVE-2019-1446, high severity)
- CVEs: 3, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4484141

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Office Online Server](https://patchblox.com/security/data/product/microsoft/microsoft-office-online-server.md) |  |  |
| [Office Online Server](https://patchblox.com/security/data/product/microsoft/office-online-server.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-1446](https://patchblox.com/security/data/cve/CVE-2019-1446.md) | High | Microsoft Office | n/a | 0.0894 |  |
| [CVE-2019-1445](https://patchblox.com/security/data/cve/CVE-2019-1445.md) | High | Microsoft Office | n/a | 0.0081 |  |
| [CVE-2019-1447](https://patchblox.com/security/data/cve/CVE-2019-1447.md) | High | Microsoft Office | n/a | 0.0081 |  |

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Data as of 2026-11-07T12:40:37Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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