# KB4475574: September 2019 security update

KB4475574, released September 10, 2019, fixes 2 CVEs across 2 products. One of them is being exploited (CVE-2019-1297); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb4475574
- Platform: Microsoft
- Released: Sep 10, 2019
- Priority: Patch now (Closes CVE-2019-1297, exploited (CISA KEV))
- CVEs: 2, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/4475574

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Excel 2010 Service Pack 2 (32-bit editions)](https://patchblox.com/security/data/product/microsoft/microsoft-excel-2010-service-pack-2-32-bit-editions.md) |  |  |
| [Microsoft Excel 2010 Service Pack 2 (64-bit editions)](https://patchblox.com/security/data/product/microsoft/microsoft-excel-2010-service-pack-2-64-bit-editions.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2019-1297](https://patchblox.com/security/data/cve/CVE-2019-1297.md) | Patch now | Microsoft Office | n/a | 0.2181 | CISA KEV |
| [CVE-2019-1263](https://patchblox.com/security/data/cve/CVE-2019-1263.md) | High | Microsoft Office | n/a | 0.0777 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo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