# CVE-2017-8716: Windows Security Feature Bypass Vulnerability

CVE-2017-8716 is fixed in 2 products on 1 platform, first by KB4038788, released September 12, 2017. It is not reported as exploited. Patch Radar priority: Routine.

- Web page: https://patchblox.com/security/cve/CVE-2017-8716
- Priority: Routine
- CVSS: 4.9 (Important)
- EPSS: 0.0144
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation Unlikely
- Published: Sep 12, 2017
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2017-8716

## Description

<p>A security feature bypass vulnerability exists when Windows Control Flow Guard mishandles objects in memory.</p> <p>To exploit the vulnerability, an attacker could run a specially crafted application to bypass Control Flow Guard.</p> <p>The security update addresses the vulnerability by correcting how Windows Control Flow Guard handles objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.608 | [KB4038788](https://patchblox.com/security/data/fix/microsoft/kb4038788.md) | Sep 12, 2017 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.608 | [KB4038788](https://patchblox.com/security/data/fix/microsoft/kb4038788.md) | Sep 12, 2017 |

---

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 Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo