# KB5034176: January 2024 security update

KB5034176, released January 9, 2024, fixes 16 CVEs across 4 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/kb5034176
- Platform: Microsoft
- Released: Jan 9, 2024
- Priority: Urgent (Closes CVE-2024-20674, exploitation more likely)
- CVEs: 16, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5034176

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Server 2008 for 32-bit Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2.md) |  |  |
| [Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2-server-core-installation.md) |  |  |
| [Windows Server 2008 for x64-based Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2.md) |  |  |
| [Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-20674](https://patchblox.com/security/data/cve/CVE-2024-20674.md) | Urgent | Windows Authentication Methods | 8.8 | 0.1717 | More likely |
| [CVE-2024-20653](https://patchblox.com/security/data/cve/CVE-2024-20653.md) | Urgent | Windows Common Log File System Driver | 7.8 | 0.0449 | More likely |
| [CVE-2024-20683](https://patchblox.com/security/data/cve/CVE-2024-20683.md) | Urgent | Windows Win32K | 7.8 | 0.0421 | More likely |
| [CVE-2024-20661](https://patchblox.com/security/data/cve/CVE-2024-20661.md) | High | Windows Message Queuing | 7.5 | 0.0276 |  |
| [CVE-2024-20654](https://patchblox.com/security/data/cve/CVE-2024-20654.md) | High | Windows ODBC Driver | 8.0 | 0.0199 |  |
| [CVE-2024-20657](https://patchblox.com/security/data/cve/CVE-2024-20657.md) | High | Windows Group Policy | 7.0 | 0.0057 |  |
| [CVE-2024-21314](https://patchblox.com/security/data/cve/CVE-2024-21314.md) | Routine | Windows Message Queuing | 6.5 | 0.0208 |  |
| [CVE-2024-20660](https://patchblox.com/security/data/cve/CVE-2024-20660.md) | Routine | Windows Message Queuing | 6.5 | 0.0204 |  |
| [CVE-2024-20680](https://patchblox.com/security/data/cve/CVE-2024-20680.md) | Routine | Windows Message Queuing | 6.5 | 0.0204 |  |
| [CVE-2024-20664](https://patchblox.com/security/data/cve/CVE-2024-20664.md) | Routine | Windows Message Queuing | 6.5 | 0.0200 |  |
| [CVE-2024-20663](https://patchblox.com/security/data/cve/CVE-2024-20663.md) | Routine | Windows Message Queuing | 6.5 | 0.0193 |  |
| [CVE-2024-20662](https://patchblox.com/security/data/cve/CVE-2024-20662.md) | Routine | Windows Online Certificate Status Protocol (OCSP) SnapIn | 4.9 | 0.0192 |  |
| [CVE-2024-21313](https://patchblox.com/security/data/cve/CVE-2024-21313.md) | Routine | Windows TCP/IP | 5.3 | 0.0150 |  |
| [CVE-2024-20655](https://patchblox.com/security/data/cve/CVE-2024-20655.md) | Routine | Windows Online Certificate Status Protocol (OCSP) SnapIn | 6.6 | 0.0141 |  |
| [CVE-2024-20692](https://patchblox.com/security/data/cve/CVE-2024-20692.md) | Routine | Windows Local Security Authority Subsystem Service (LSASS) | 5.7 | 0.0118 |  |
| [CVE-2024-21311](https://patchblox.com/security/data/cve/CVE-2024-21311.md) | Routine | Windows Cryptographic Services | 5.5 | 0.0078 |  |

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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