# KB5034767: February 2024 cumulative update for Windows 10 1607

KB5034767, released February 13, 2024, fixes 34 CVEs across 4 products. One of them is being exploited (CVE-2024-21351); 1 on CISA KEV. Patch Radar priority: Patch now.

- Web page: https://patchblox.com/security/fix/microsoft/kb5034767
- Platform: Microsoft
- Released: Feb 13, 2024
- Priority: Patch now (Closes CVE-2024-21351, exploited (CISA KEV))
- CVEs: 34, exploited: 1, on CISA KEV: 1
- Vendor advisory: https://support.microsoft.com/help/5034767

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows 10 Version 1607 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1607-for-32-bit-systems.md) |  | 14393.6709 |
| [Windows 10 Version 1607 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-version-1607-for-x64-based-systems.md) |  | 14393.6709 |
| [Windows Server 2016](https://patchblox.com/security/data/product/microsoft/windows-server-2016.md) |  | 14393.6709 |
| [Windows Server 2016 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2016-server-core-installation.md) |  | 14393.6709 |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2024-21351](https://patchblox.com/security/data/cve/CVE-2024-21351.md) | Patch now | Windows SmartScreen | 7.6 | 0.2780 | CISA KEV |
| [CVE-2024-21357](https://patchblox.com/security/data/cve/CVE-2024-21357.md) | Urgent | Windows Internet Connection Sharing (ICS) | 8.1 | 0.2690 | More likely |
| [CVE-2024-21371](https://patchblox.com/security/data/cve/CVE-2024-21371.md) | Urgent | Windows Kernel | 7.0 | 0.1088 | More likely |
| [CVE-2023-50387](https://patchblox.com/security/data/cve/CVE-2023-50387.md) | High | Role: DNS Server | 7.5 | 0.9999 |  |
| [CVE-2024-21348](https://patchblox.com/security/data/cve/CVE-2024-21348.md) | High | Windows Internet Connection Sharing (ICS) | 7.5 | 0.0218 |  |
| [CVE-2024-21372](https://patchblox.com/security/data/cve/CVE-2024-21372.md) | High | Windows OLE | 8.8 | 0.0181 |  |
| [CVE-2024-21358](https://patchblox.com/security/data/cve/CVE-2024-21358.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 |  |
| [CVE-2024-21360](https://patchblox.com/security/data/cve/CVE-2024-21360.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 |  |
| [CVE-2024-21365](https://patchblox.com/security/data/cve/CVE-2024-21365.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 |  |
| [CVE-2024-21366](https://patchblox.com/security/data/cve/CVE-2024-21366.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 |  |
| [CVE-2024-21370](https://patchblox.com/security/data/cve/CVE-2024-21370.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0177 |  |
| [CVE-2024-21420](https://patchblox.com/security/data/cve/CVE-2024-21420.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0173 |  |
| [CVE-2024-21375](https://patchblox.com/security/data/cve/CVE-2024-21375.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0165 |  |
| [CVE-2024-21349](https://patchblox.com/security/data/cve/CVE-2024-21349.md) | High | Microsoft ActiveX | 8.8 | 0.0164 |  |
| [CVE-2024-21359](https://patchblox.com/security/data/cve/CVE-2024-21359.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0164 |  |
| [CVE-2024-21361](https://patchblox.com/security/data/cve/CVE-2024-21361.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0164 |  |
| [CVE-2024-21367](https://patchblox.com/security/data/cve/CVE-2024-21367.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0164 |  |
| [CVE-2024-21368](https://patchblox.com/security/data/cve/CVE-2024-21368.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0164 |  |
| [CVE-2024-21352](https://patchblox.com/security/data/cve/CVE-2024-21352.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0163 |  |
| [CVE-2024-21391](https://patchblox.com/security/data/cve/CVE-2024-21391.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0163 |  |
| [CVE-2024-21369](https://patchblox.com/security/data/cve/CVE-2024-21369.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0155 |  |
| [CVE-2024-21350](https://patchblox.com/security/data/cve/CVE-2024-21350.md) | High | Microsoft WDAC OLE DB provider for SQL | 8.8 | 0.0148 |  |
| [CVE-2024-21347](https://patchblox.com/security/data/cve/CVE-2024-21347.md) | High | SQL Server | 7.5 | 0.0137 |  |
| [CVE-2024-21406](https://patchblox.com/security/data/cve/CVE-2024-21406.md) | High | Microsoft Windows | 7.5 | 0.0086 |  |
| [CVE-2024-21363](https://patchblox.com/security/data/cve/CVE-2024-21363.md) | High | Windows Message Queuing | 7.8 | 0.0080 |  |
| [CVE-2024-21354](https://patchblox.com/security/data/cve/CVE-2024-21354.md) | High | Windows Message Queuing | 7.8 | 0.0061 |  |
| [CVE-2024-21405](https://patchblox.com/security/data/cve/CVE-2024-21405.md) | High | Windows Message Queuing | 7.0 | 0.0038 |  |
| [CVE-2024-21355](https://patchblox.com/security/data/cve/CVE-2024-21355.md) | High | Windows Message Queuing | 7.0 | 0.0032 |  |
| [CVE-2024-21356](https://patchblox.com/security/data/cve/CVE-2024-21356.md) | Routine | Windows LDAP - Lightweight Directory Access Protocol | 6.5 | 0.0208 |  |
| [CVE-2024-21343](https://patchblox.com/security/data/cve/CVE-2024-21343.md) | Routine | Windows Internet Connection Sharing (ICS) | 5.9 | 0.0184 |  |
| [CVE-2024-21344](https://patchblox.com/security/data/cve/CVE-2024-21344.md) | Routine | Windows Internet Connection Sharing (ICS) | 5.9 | 0.0169 |  |
| [CVE-2024-21340](https://patchblox.com/security/data/cve/CVE-2024-21340.md) | Routine | Windows Kernel | 4.6 | 0.0075 |  |
| [CVE-2024-21377](https://patchblox.com/security/data/cve/CVE-2024-21377.md) | Routine | Microsoft Windows DNS | 5.5 | 0.0065 |  |
| [CVE-2024-21362](https://patchblox.com/security/data/cve/CVE-2024-21362.md) | Routine | Windows Kernel | 5.5 | 0.0042 |  |

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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

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