# KB5030287: September 2023 security update

KB5030287, released September 12, 2023, fixes 13 CVEs across 2 products. None of them is reported as exploited. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/fix/microsoft/kb5030287
- Platform: Microsoft
- Released: Sep 12, 2023
- Priority: Urgent (Closes CVE-2023-38152, exploitation more likely)
- CVEs: 13, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/5030287

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Server 2012 R2](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2.md) |  |  |
| [Windows Server 2012 R2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2012-r2-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2023-38152](https://patchblox.com/security/data/cve/CVE-2023-38152.md) | Urgent | Windows DHCP Server | 5.3 | 0.2402 | More likely |
| [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-2023-38160](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-2023-38162](https://patchblox.com/security/data/cve/CVE-2023-38162.md) | High | Windows DHCP Server | 7.5 | 0.1069 |  |
| [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-2023-38139](https://patchblox.com/security/data/cve/CVE-2023-38139.md) | High | Windows Kernel | 7.8 | 0.0093 |  |
| [CVE-2023-38141](https://patchblox.com/security/data/cve/CVE-2023-38141.md) | High | Windows Kernel | 7.8 | 0.0063 |  |
| [CVE-2023-36801](https://patchblox.com/security/data/cve/CVE-2023-36801.md) | Routine | Windows DHCP Server | 5.3 | 0.0165 |  |

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Data as of 2026-11-07T18:46:35Z 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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