# KB5046661: November 2024 security update

KB5046661, released November 12, 2024, fixes 19 CVEs across 4 products. One of them is being exploited (CVE-2024-43451); 1 on CISA KEV. Patch Radar priority: Patch now. The product is no longer supported.

- Web page: https://patchblox.com/security/fix/microsoft/kb5046661
- Platform: Microsoft
- Released: Nov 12, 2024
- Priority: Patch now (Closes CVE-2024-43451, exploited (CISA KEV))
- CVEs: 19, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/5046661

## 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-2024-43451](https://patchblox.com/security/data/cve/CVE-2024-43451.md) | Patch now | Windows NTLM | 6.5 | 0.8427 | CISA KEV, Disclosed |
| [CVE-2024-43623](https://patchblox.com/security/data/cve/CVE-2024-43623.md) | Urgent | Windows NT OS Kernel | 7.8 | 0.0451 | More likely |
| [CVE-2024-49019](https://patchblox.com/security/data/cve/CVE-2024-49019.md) | Urgent | Role: Windows Active Directory Certificate Services | 7.8 | 0.0198 | Disclosed |
| [CVE-2024-43452](https://patchblox.com/security/data/cve/CVE-2024-43452.md) | High | Windows Registry | 7.5 | 0.3016 |  |
| [CVE-2024-43627](https://patchblox.com/security/data/cve/CVE-2024-43627.md) | High | Windows Telephony Service | 8.8 | 0.0171 |  |
| [CVE-2024-43628](https://patchblox.com/security/data/cve/CVE-2024-43628.md) | High | Windows Telephony Service | 8.8 | 0.0171 |  |
| [CVE-2024-43635](https://patchblox.com/security/data/cve/CVE-2024-43635.md) | High | Windows Telephony Service | 8.8 | 0.0170 |  |
| [CVE-2024-43620](https://patchblox.com/security/data/cve/CVE-2024-43620.md) | High | Windows Telephony Service | 8.8 | 0.0164 |  |
| [CVE-2024-43621](https://patchblox.com/security/data/cve/CVE-2024-43621.md) | High | Windows Telephony Service | 8.8 | 0.0164 |  |
| [CVE-2024-43622](https://patchblox.com/security/data/cve/CVE-2024-43622.md) | High | Windows Telephony Service | 8.8 | 0.0164 |  |
| [CVE-2024-43626](https://patchblox.com/security/data/cve/CVE-2024-43626.md) | High | Windows Telephony Service | 7.8 | 0.0073 |  |
| [CVE-2024-43641](https://patchblox.com/security/data/cve/CVE-2024-43641.md) | High | Windows Registry | 7.8 | 0.0067 |  |
| [CVE-2024-43644](https://patchblox.com/security/data/cve/CVE-2024-43644.md) | High | Windows Client-Side Caching (CSC) Service | 7.8 | 0.0055 |  |
| [CVE-2024-49046](https://patchblox.com/security/data/cve/CVE-2024-49046.md) | High | Windows Win32 Kernel Subsystem | 7.8 | 0.0045 |  |
| [CVE-2024-43634](https://patchblox.com/security/data/cve/CVE-2024-43634.md) | Routine | Windows USB Video Driver | 6.8 | 0.0074 |  |
| [CVE-2024-43637](https://patchblox.com/security/data/cve/CVE-2024-43637.md) | Routine | Windows USB Video Driver | 6.8 | 0.0074 |  |
| [CVE-2024-43638](https://patchblox.com/security/data/cve/CVE-2024-43638.md) | Routine | Windows USB Video Driver | 6.8 | 0.0074 |  |
| [CVE-2024-43643](https://patchblox.com/security/data/cve/CVE-2024-43643.md) | Routine | Windows USB Video Driver | 6.8 | 0.0074 |  |
| [CVE-2024-38203](https://patchblox.com/security/data/cve/CVE-2024-38203.md) | Routine | Windows Package Library Manager | 6.2 | 0.0068 |  |

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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