# KB4011651: January 2018 security update

KB4011651, released January 9, 2018, fixes 12 CVEs across 5 products. One of them is being exploited (CVE-2018-0798); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4011651
- Platform: Microsoft
- Released: Jan 9, 2018
- Priority: Patch now (Closes CVE-2018-0798, exploited (CISA KEV))
- CVEs: 12, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/4011651

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Office 2013 Service Pack 1 (32-bit editions)](https://patchblox.com/security/data/product/microsoft/microsoft-office-2013-service-pack-1-32-bit-editions.md) |  |  |
| [Microsoft Office 2013 Service Pack 1 (64-bit editions)](https://patchblox.com/security/data/product/microsoft/microsoft-office-2013-service-pack-1-64-bit-editions.md) |  |  |
| [Microsoft Word 2013 RT Service Pack 1](https://patchblox.com/security/data/product/microsoft/microsoft-word-2013-rt-service-pack-1.md) |  |  |
| [Microsoft Word 2013 Service Pack 1 (32-bit editions)](https://patchblox.com/security/data/product/microsoft/microsoft-word-2013-service-pack-1-32-bit-editions.md) |  |  |
| [Microsoft Word 2013 Service Pack 1 (64-bit editions)](https://patchblox.com/security/data/product/microsoft/microsoft-word-2013-service-pack-1-64-bit-editions.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2018-0798](https://patchblox.com/security/data/cve/CVE-2018-0798.md) | Patch now | Microsoft Office | n/a | 0.9512 | CISA KEV |
| [CVE-2018-0797](https://patchblox.com/security/data/cve/CVE-2018-0797.md) | Urgent | Microsoft Office | n/a | 0.2466 |  |
| [CVE-2018-0794](https://patchblox.com/security/data/cve/CVE-2018-0794.md) | Urgent | Microsoft Office | n/a | 0.2007 | More likely |
| [CVE-2018-0806](https://patchblox.com/security/data/cve/CVE-2018-0806.md) | High | Microsoft Office | n/a | 0.2450 |  |
| [CVE-2018-0805](https://patchblox.com/security/data/cve/CVE-2018-0805.md) | High | Microsoft Office | n/a | 0.2440 |  |
| [CVE-2018-0807](https://patchblox.com/security/data/cve/CVE-2018-0807.md) | High | Microsoft Office | n/a | 0.2440 |  |
| [CVE-2018-0793](https://patchblox.com/security/data/cve/CVE-2018-0793.md) | High | Microsoft Office | n/a | 0.2057 |  |
| [CVE-2018-0848](https://patchblox.com/security/data/cve/CVE-2018-0848.md) | High | Microsoft Office | n/a | 0.2049 |  |
| [CVE-2018-0845](https://patchblox.com/security/data/cve/CVE-2018-0845.md) | High | Microsoft Office | n/a | 0.1973 |  |
| [CVE-2018-0849](https://patchblox.com/security/data/cve/CVE-2018-0849.md) | High | Microsoft Office | n/a | 0.1864 |  |
| [CVE-2018-0862](https://patchblox.com/security/data/cve/CVE-2018-0862.md) | High | Microsoft Office | n/a | 0.1864 |  |
| [CVE-2018-0804](https://patchblox.com/security/data/cve/CVE-2018-0804.md) | Routine | Microsoft Office | n/a | 0.2440 |  |

---

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

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.