# KB4018466: May 2017 security update

KB4018466, released May 9, 2017, fixes 14 CVEs across 5 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/kb4018466
- Platform: Microsoft
- Released: May 9, 2017
- Priority: Urgent (Closes CVE-2017-0272, rated Critical)
- CVEs: 14, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/4018466

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [Windows Server 2008 for 32-bit Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2.md) |  |  |
| [Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-32-bit-systems-service-pack-2-server-core-installation.md) |  |  |
| [Windows Server 2008 for Itanium-Based Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-itanium-based-systems-service-pack-2.md) |  |  |
| [Windows Server 2008 for x64-based Systems Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2.md) |  |  |
| [Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation)](https://patchblox.com/security/data/product/microsoft/windows-server-2008-for-x64-based-systems-service-pack-2-server-core-installation.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2017-0272](https://patchblox.com/security/data/cve/CVE-2017-0272.md) | Urgent | Windows SMB Server | 8.1 | 0.1712 |  |
| [CVE-2017-0277](https://patchblox.com/security/data/cve/CVE-2017-0277.md) | Urgent | Windows SMB Server | 7.0 | 0.1085 |  |
| [CVE-2017-0278](https://patchblox.com/security/data/cve/CVE-2017-0278.md) | Urgent | Windows SMB Server | 7.0 | 0.1085 |  |
| [CVE-2017-0279](https://patchblox.com/security/data/cve/CVE-2017-0279.md) | Urgent | Windows SMB Server | 7.0 | 0.1085 |  |
| [CVE-2017-0271](https://patchblox.com/security/data/cve/CVE-2017-0271.md) | High | Windows SMB Server | 7.0 | 0.1327 |  |
| [CVE-2017-0267](https://patchblox.com/security/data/cve/CVE-2017-0267.md) | High | Windows SMB Server | 7.0 | 0.1268 |  |
| [CVE-2017-0275](https://patchblox.com/security/data/cve/CVE-2017-0275.md) | High | Windows SMB Server | 7.0 | 0.0761 |  |
| [CVE-2017-0268](https://patchblox.com/security/data/cve/CVE-2017-0268.md) | High | Windows SMB Server | 7.0 | 0.0724 |  |
| [CVE-2017-0270](https://patchblox.com/security/data/cve/CVE-2017-0270.md) | High | Windows SMB Server | 7.0 | 0.0724 |  |
| [CVE-2017-0276](https://patchblox.com/security/data/cve/CVE-2017-0276.md) | High | Windows SMB Server | 7.0 | 0.0724 |  |
| [CVE-2017-0280](https://patchblox.com/security/data/cve/CVE-2017-0280.md) | High | Windows SMB Server | 7.0 | 0.0717 |  |
| [CVE-2017-0274](https://patchblox.com/security/data/cve/CVE-2017-0274.md) | High | Windows SMB Server | 7.0 | 0.0704 |  |
| [CVE-2017-0269](https://patchblox.com/security/data/cve/CVE-2017-0269.md) | High | Windows SMB Server | 7.0 | 0.0647 |  |
| [CVE-2017-0273](https://patchblox.com/security/data/cve/CVE-2017-0273.md) | High | Windows SMB Server | 8.1 | 0.0609 |  |

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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