# CVE-2023-36788: .NET Framework Remote Code Execution Vulnerability

CVE-2023-36788 is fixed in 47 products on 1 platform, first by KB5030213, released September 12, 2023. It is not reported as exploited. Patch Radar priority: High.

- Web page: https://patchblox.com/security/cve/CVE-2023-36788
- Priority: High
- CVSS: 7.8 (Important)
- EPSS: 0.0102
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Less Likely
- Published: Sep 12, 2023
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2023-36788

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB5030185](https://patchblox.com/security/data/fix/microsoft/kb5030185.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 2.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB5030185](https://patchblox.com/security/data/fix/microsoft/kb5030185.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB5030185](https://patchblox.com/security/data/fix/microsoft/kb5030185.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.0 Service Pack 2 on Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB5030185](https://patchblox.com/security/data/fix/microsoft/kb5030185.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for 32-bit Systems | 14393.6252 | [KB5030213](https://patchblox.com/security/data/fix/microsoft/kb5030213.md) | Sep 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows 10 Version 1607 for x64-based Systems | 14393.6252 | [KB5030213](https://patchblox.com/security/data/fix/microsoft/kb5030213.md) | Sep 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 | 14393.6252 | [KB5030213](https://patchblox.com/security/data/fix/microsoft/kb5030213.md) | Sep 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.6.2/4.7/4.7.1/4.7.2 on Windows Server 2016 (Server Core installation) | 14393.6252 | [KB5030213](https://patchblox.com/security/data/fix/microsoft/kb5030213.md) | Sep 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for 32-bit Systems |  | [KB5030178](https://patchblox.com/security/data/fix/microsoft/kb5030178.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for ARM64-based Systems |  | [KB5030178](https://patchblox.com/security/data/fix/microsoft/kb5030178.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows 10 Version 1809 for x64-based Systems |  | [KB5030178](https://patchblox.com/security/data/fix/microsoft/kb5030178.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 |  | [KB5030178](https://patchblox.com/security/data/fix/microsoft/kb5030178.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 (Server Core installation) |  | [KB5030178](https://patchblox.com/security/data/fix/microsoft/kb5030178.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for 32-bit Systems |  | [KB5030178](https://patchblox.com/security/data/fix/microsoft/kb5030178.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 1809 for x64-based Systems |  | [KB5030178](https://patchblox.com/security/data/fix/microsoft/kb5030178.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for 32-bit Systems |  | [KB5030179](https://patchblox.com/security/data/fix/microsoft/kb5030179.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for ARM64-based Systems |  | [KB5030179](https://patchblox.com/security/data/fix/microsoft/kb5030179.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 21H2 for x64-based Systems |  | [KB5030179](https://patchblox.com/security/data/fix/microsoft/kb5030179.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for 32-bit Systems |  | [KB5030180](https://patchblox.com/security/data/fix/microsoft/kb5030180.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for ARM64-based Systems |  | [KB5030180](https://patchblox.com/security/data/fix/microsoft/kb5030180.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 10 Version 22H2 for x64-based Systems |  | [KB5030180](https://patchblox.com/security/data/fix/microsoft/kb5030180.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 11 version 21H2 for ARM64-based Systems |  | [KB5030181](https://patchblox.com/security/data/fix/microsoft/kb5030181.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows 11 version 21H2 for x64-based Systems |  | [KB5030181](https://patchblox.com/security/data/fix/microsoft/kb5030181.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 |  | [KB5030178](https://patchblox.com/security/data/fix/microsoft/kb5030178.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2019 (Server Core installation) |  | [KB5030178](https://patchblox.com/security/data/fix/microsoft/kb5030178.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 |  | [KB5030186](https://patchblox.com/security/data/fix/microsoft/kb5030186.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 (Server Core installation) |  | [KB5030186](https://patchblox.com/security/data/fix/microsoft/kb5030186.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for 32-bit Systems |  | [KB5030179](https://patchblox.com/security/data/fix/microsoft/kb5030179.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for ARM64-based Systems |  | [KB5030179](https://patchblox.com/security/data/fix/microsoft/kb5030179.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 21H2 for x64-based Systems |  | [KB5030179](https://patchblox.com/security/data/fix/microsoft/kb5030179.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for 32-bit Systems |  | [KB5030180](https://patchblox.com/security/data/fix/microsoft/kb5030180.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for ARM64-based Systems |  | [KB5030180](https://patchblox.com/security/data/fix/microsoft/kb5030180.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 10 Version 22H2 for x64-based Systems |  | [KB5030180](https://patchblox.com/security/data/fix/microsoft/kb5030180.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for ARM64-based Systems |  | [KB5031217](https://patchblox.com/security/data/fix/microsoft/kb5031217.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 Version 22H2 for x64-based Systems |  | [KB5031217](https://patchblox.com/security/data/fix/microsoft/kb5031217.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 21H2 for ARM64-based Systems |  | [KB5030181](https://patchblox.com/security/data/fix/microsoft/kb5030181.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows 11 version 21H2 for x64-based Systems |  | [KB5030181](https://patchblox.com/security/data/fix/microsoft/kb5030181.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 |  | [KB5030186](https://patchblox.com/security/data/fix/microsoft/kb5030186.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 AND 4.8.1 on Windows Server 2022 (Server Core installation) |  | [KB5030186](https://patchblox.com/security/data/fix/microsoft/kb5030186.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 and 4.6.2 on Windows 10 for 32-bit Systems | 10240.20162 | [KB5030220](https://patchblox.com/security/data/fix/microsoft/kb5030220.md) | Sep 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 and 4.6.2 on Windows 10 for x64-based Systems | 10240.20162 | [KB5030220](https://patchblox.com/security/data/fix/microsoft/kb5030220.md) | Sep 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 |  | [KB5030183](https://patchblox.com/security/data/fix/microsoft/kb5030183.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 (Server Core installation) |  | [KB5030183](https://patchblox.com/security/data/fix/microsoft/kb5030183.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 R2 |  | [KB5030184](https://patchblox.com/security/data/fix/microsoft/kb5030184.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5 on Windows Server 2012 R2 (Server Core installation) |  | [KB5030184](https://patchblox.com/security/data/fix/microsoft/kb5030184.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB5030182](https://patchblox.com/security/data/fix/microsoft/kb5030182.md) | Dec 12, 2023 |
| Microsoft | Microsoft .NET Framework 3.5.1 on Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB5030182](https://patchblox.com/security/data/fix/microsoft/kb5030182.md) | Dec 12, 2023 |

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Data as of 2026-11-08T00:53:09Z 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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