# KB5033424: December 2023 security update

KB5033424, released December 12, 2023, fixes 15 CVEs 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/kb5033424
- Platform: Microsoft
- Released: Dec 12, 2023
- Priority: Urgent (Closes CVE-2023-35628, exploitation more likely)
- CVEs: 15, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5033424

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Server 2008 R2 for x64-based Systems Service Pack 1](https://patchblox.com/security/data/product/microsoft/windows-server-2008-r2-for-x64-based-systems-service-pack-1.md) |  |  |
| [Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-r2-for-x64-based-systems-service-pack-1-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-35628](https://patchblox.com/security/data/cve/CVE-2023-35628.md) | Urgent | Windows MSHTML Platform | 8.1 | 0.9282 | More likely |
| [CVE-2023-36005](https://patchblox.com/security/data/cve/CVE-2023-36005.md) | Urgent | Windows Telephony Server | 7.5 | 0.2386 | More likely |
| [CVE-2023-35633](https://patchblox.com/security/data/cve/CVE-2023-35633.md) | Urgent | Windows Kernel | 7.8 | 0.0870 | More likely |
| [CVE-2023-35641](https://patchblox.com/security/data/cve/CVE-2023-35641.md) | Urgent | Windows Internet Connection Sharing (ICS) | 8.8 | 0.0722 | More likely |
| [CVE-2023-35632](https://patchblox.com/security/data/cve/CVE-2023-35632.md) | Urgent | Windows Internet Connection Sharing (ICS) | 7.8 | 0.0654 | More likely |
| [CVE-2023-35630](https://patchblox.com/security/data/cve/CVE-2023-35630.md) | Urgent | Windows Internet Connection Sharing (ICS) | 8.8 | 0.0613 |  |
| [CVE-2023-35639](https://patchblox.com/security/data/cve/CVE-2023-35639.md) | High | Windows ODBC Driver | 8.8 | 0.0237 |  |
| [CVE-2023-36006](https://patchblox.com/security/data/cve/CVE-2023-36006.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0189 |  |
| [CVE-2023-35622](https://patchblox.com/security/data/cve/CVE-2023-35622.md) | High | Microsoft Windows DNS | 7.5 | 0.0156 |  |
| [CVE-2023-36004](https://patchblox.com/security/data/cve/CVE-2023-36004.md) | High | Windows DPAPI (Data Protection Application Programming Interface) | 7.5 | 0.0137 |  |
| [CVE-2023-21740](https://patchblox.com/security/data/cve/CVE-2023-21740.md) | High | Windows Media | 7.8 | 0.0109 |  |
| [CVE-2023-20588](https://patchblox.com/security/data/cve/CVE-2023-20588.md) | Routine | Chipsets | 6.0 | 0.1115 | Disclosed |
| [CVE-2023-36012](https://patchblox.com/security/data/cve/CVE-2023-36012.md) | Routine | Windows DHCP Server | 5.3 | 0.0200 |  |
| [CVE-2023-35642](https://patchblox.com/security/data/cve/CVE-2023-35642.md) | Routine | Windows Internet Connection Sharing (ICS) | 6.5 | 0.0128 |  |
| [CVE-2023-35629](https://patchblox.com/security/data/cve/CVE-2023-35629.md) | Routine | Windows USB Mass Storage Class Driver | 6.8 | 0.0086 |  |

---

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.