# 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 |  |

---

Data as of 2026-11-10T07:50:38Z 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

Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data

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.