# KB3210721: January 2017 cumulative update for Windows 10 1511

KB3210721, released January 10, 2017, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb3210721
- Platform: Microsoft
- Released: Jan 10, 2017
- Priority: Urgent (Closes CVE-2017-0002, exploitation more likely)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/3210721

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1511-for-32-bit-systems.md) |  | 10586.753 |
| [Microsoft Edge (EdgeHTML-based) on Windows 10 Version 1511 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-edge-edgehtml-based-on-windows-10-version-1511-for-x64-based-systems.md) |  | 10586.753 |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2017-0002](https://patchblox.com/security/data/cve/CVE-2017-0002.md) | Urgent | Microsoft Edge | 5.4 | 0.1702 | Disclosed |

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Data as of 2026-11-07T06:34:28Z 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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo