# KB4462112: January 2019 security update

KB4462112, released January 8, 2019, fixes 1 CVE in Microsoft Office Word Viewer. One of them is being exploited (CVE-2019-0541); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4462112
- Platform: Microsoft
- Released: Jan 8, 2019
- Priority: Patch now (Closes CVE-2019-0541, exploited (CISA KEV))
- CVEs: 1, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/4462112

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Office Word Viewer](https://patchblox.com/security/data/product/microsoft/microsoft-office-word-viewer.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-0541](https://patchblox.com/security/data/cve/CVE-2019-0541.md) | Patch now | Internet Explorer | 6.4 | 0.5320 | CISA KEV |

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo