# KB891716: January 2023 security update

KB891716, released January 10, 2023, fixes 2 CVEs 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/kb891716
- Platform: Microsoft
- Released: Jan 10, 2023
- Priority: High (Closes CVE-2020-0733, high severity)
- CVEs: 2, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/891716

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Malicious Software Removal Tool 32-bit](https://patchblox.com/security/data/product/microsoft/windows-malicious-software-removal-tool-32-bit.md) |  |  |
| [Windows Malicious Software Removal Tool 64-bit](https://patchblox.com/security/data/product/microsoft/windows-malicious-software-removal-tool-64-bit.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2020-0733](https://patchblox.com/security/data/cve/CVE-2020-0733.md) | High | Microsoft Malware Protection Engine | n/a | 0.0082 |  |
| [CVE-2023-21725](https://patchblox.com/security/data/cve/CVE-2023-21725.md) | Routine | Windows Malicious Software Removal Tool | 6.3 | 0.0039 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo

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.