# KB5029366: December 2023 security update

KB5029366, released December 12, 2023, fixes 1 CVE in Microsoft Visual Studio 2015 Update 3. 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/kb5029366
- Platform: Microsoft
- Released: Dec 12, 2023
- Priority: Urgent (Closes CVE-2023-36796, rated Critical)
- CVEs: 1, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5029366

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft Visual Studio 2015 Update 3](https://patchblox.com/security/data/product/microsoft/microsoft-visual-studio-2015-update-3.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-36796](https://patchblox.com/security/data/cve/CVE-2023-36796.md) | Urgent | .NET and Visual Studio | 7.8 | 0.0123 |  |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo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