# KB3211306: March 2017 security update

KB3211306, released March 14, 2017, fixes 6 CVEs across 3 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/kb3211306
- Platform: Microsoft
- Released: Mar 14, 2017
- Priority: Urgent (Closes CVE-2017-0075, rated Critical)
- CVEs: 6, exploited: 0, on CISA KEV: 0
- Vendor advisory: https://support.microsoft.com/help/3211306

## Applies to

| Product | Release | Fixed in |
|---|---|---|
| [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) |  |  |
| [Windows Vista x64 Edition Service Pack 2](https://patchblox.com/security/data/product/microsoft/windows-vista-x64-edition-service-pack-2.md) |  |  |

## CVEs this fix closes

| CVE | Priority | Component | CVSS | EPSS | Exploitation |
|---|---|---|---:|---:|---|
| [CVE-2017-0075](https://patchblox.com/security/data/cve/CVE-2017-0075.md) | Urgent | Windows Hyper-V | 7.6 | 0.1283 |  |
| [CVE-2017-0109](https://patchblox.com/security/data/cve/CVE-2017-0109.md) | Urgent | Windows Hyper-V | 7.6 | 0.0433 |  |
| [CVE-2017-0096](https://patchblox.com/security/data/cve/CVE-2017-0096.md) | Routine | Windows Hyper-V | 2.6 | 0.0224 |  |
| [CVE-2017-0076](https://patchblox.com/security/data/cve/CVE-2017-0076.md) | Routine | Windows Hyper-V | 2.6 | 0.0161 |  |
| [CVE-2017-0099](https://patchblox.com/security/data/cve/CVE-2017-0099.md) | Routine | Windows Hyper-V | 5.4 | 0.0144 |  |
| [CVE-2017-0097](https://patchblox.com/security/data/cve/CVE-2017-0097.md) | Routine | Windows Hyper-V | 5.4 | 0.0139 | Disclosed |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo