# KB5030220: September 2023 cumulative update for Windows 10 1507

KB5030220, released September 12, 2023, 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/kb5030220
- Platform: Microsoft
- Released: Sep 12, 2023
- Priority: Urgent (Closes CVE-2023-38142, exploitation more likely)
- CVEs: 16, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5030220

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Microsoft .NET Framework 3.5 and 4.6.2 on Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-and-4.6.2-on-windows-10-for-32-bit-systems.md) |  | 10240.20162 |
| [Microsoft .NET Framework 3.5 and 4.6.2 on Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/microsoft-.net-framework-3.5-and-4.6.2-on-windows-10-for-x64-based-systems.md) |  | 10240.20162 |
| [Windows 10 for 32-bit Systems](https://patchblox.com/security/data/product/microsoft/windows-10-for-32-bit-systems.md) |  | 10240.20162 |
| [Windows 10 for x64-based Systems](https://patchblox.com/security/data/product/microsoft/windows-10-for-x64-based-systems.md) |  | 10240.20162 |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-38142](https://patchblox.com/security/data/cve/CVE-2023-38142.md) | Urgent | Windows Kernel | 7.8 | 0.0555 | More likely |
| [CVE-2023-38144](https://patchblox.com/security/data/cve/CVE-2023-38144.md) | Urgent | Windows Common Log File System Driver | 7.8 | 0.0345 | More likely |
| [CVE-2023-38143](https://patchblox.com/security/data/cve/CVE-2023-38143.md) | Urgent | Windows Common Log File System Driver | 7.8 | 0.0341 | More likely |
| [CVE-2023-36792](https://patchblox.com/security/data/cve/CVE-2023-36792.md) | Urgent | .NET and Visual Studio | 7.8 | 0.0123 |  |
| [CVE-2023-36793](https://patchblox.com/security/data/cve/CVE-2023-36793.md) | Urgent | .NET and Visual Studio | 7.8 | 0.0123 |  |
| [CVE-2023-36796](https://patchblox.com/security/data/cve/CVE-2023-36796.md) | Urgent | .NET and Visual Studio | 7.8 | 0.0123 |  |
| [CVE-2023-38160](https://patchblox.com/security/data/cve/CVE-2023-38160.md) | Urgent | Windows TCP/IP | 5.5 | 0.0094 | More likely |
| [CVE-2023-36804](https://patchblox.com/security/data/cve/CVE-2023-36804.md) | Urgent | Windows GDI | 7.8 | 0.0060 | More likely |
| [CVE-2023-38161](https://patchblox.com/security/data/cve/CVE-2023-38161.md) | Urgent | Windows GDI | 7.8 | 0.0059 | More likely |
| [CVE-2023-38149](https://patchblox.com/security/data/cve/CVE-2023-38149.md) | High | Windows TCP/IP | 7.5 | 0.0448 |  |
| [CVE-2023-36805](https://patchblox.com/security/data/cve/CVE-2023-36805.md) | High | Windows Scripting | 7.0 | 0.0176 |  |
| [CVE-2023-36794](https://patchblox.com/security/data/cve/CVE-2023-36794.md) | High | .NET and Visual Studio | 7.8 | 0.0123 |  |
| [CVE-2023-36788](https://patchblox.com/security/data/cve/CVE-2023-36788.md) | High | .NET Framework | 7.8 | 0.0102 |  |
| [CVE-2023-38139](https://patchblox.com/security/data/cve/CVE-2023-38139.md) | High | Windows Kernel | 7.8 | 0.0093 |  |
| [CVE-2023-38147](https://patchblox.com/security/data/cve/CVE-2023-38147.md) | High | Microsoft Windows Codecs Library | 8.8 | 0.0089 |  |
| [CVE-2023-38141](https://patchblox.com/security/data/cve/CVE-2023-38141.md) | High | Windows Kernel | 7.8 | 0.0063 |  |

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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