# KB5002499: September 2023 security update

KB5002499, released September 12, 2023, fixes 1 CVE across 2 products. None of them is reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/fix/microsoft/kb5002499
- Platform: Microsoft
- Released: Sep 12, 2023
- Priority: High (Closes CVE-2023-36763, high severity)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5002499

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Outlook 2016 (32-bit edition)](https://patchblox.com/security/data/product/microsoft/microsoft-outlook-2016-32-bit-edition.md) |  |  |
| [Microsoft Outlook 2016 (64-bit edition)](https://patchblox.com/security/data/product/microsoft/microsoft-outlook-2016-64-bit-edition.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-36763](https://patchblox.com/security/data/cve/CVE-2023-36763.md) | High | Microsoft Office Outlook | 7.5 | 0.0212 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo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