# CVE-2018-8408: Windows Kernel Information Disclosure Vulnerability

CVE-2018-8408 is fixed in 33 products on 1 platform, first by KB4467691, released November 13, 2018. It is not reported as exploited, but the vendor rates exploitation more likely. Patch Radar priority: Urgent.

- Web page: https://patchblox.com/security/cve/CVE-2018-8408
- Priority: Urgent
- CVSS: 3.3 (Important)
- EPSS: 0.0166
- CISA KEV: not listed
- Exploited (vendor report): no
- Publicly disclosed: no
- Vendor exploitability assessment: Exploitation More Likely
- Published: Nov 13, 2018
- Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8408

## Description

<p>An information disclosure vulnerability exists when the Windows kernel improperly initializes objects in memory.</p> <p>To exploit this vulnerability, an authenticated attacker could run a specially crafted application. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.</p> <p>The update addresses the vulnerability by correcting how the Windows kernel initializes objects in memory.</p>

## Where it's fixed

| Platform | Product | Fixed in | Fix | Released |
|---|---|---|---|---|
| Microsoft | Windows 10 Version 1607 for 32-bit Systems | 14393.2608 | [KB4467691](https://patchblox.com/security/data/fix/microsoft/kb4467691.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1607 for x64-based Systems | 14393.2608 | [KB4467691](https://patchblox.com/security/data/fix/microsoft/kb4467691.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1703 for 32-bit Systems | 15063.1446 | [KB4467696](https://patchblox.com/security/data/fix/microsoft/kb4467696.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1703 for x64-based Systems | 15063.1446 | [KB4467696](https://patchblox.com/security/data/fix/microsoft/kb4467696.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1709 for 32-bit Systems | 16299.785 | [KB4467686](https://patchblox.com/security/data/fix/microsoft/kb4467686.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1709 for ARM64-based Systems | 16299.785 | [KB4467686](https://patchblox.com/security/data/fix/microsoft/kb4467686.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1709 for x64-based Systems | 16299.785 | [KB4467686](https://patchblox.com/security/data/fix/microsoft/kb4467686.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1803 for 32-bit Systems | 17134.407 | [KB4467702](https://patchblox.com/security/data/fix/microsoft/kb4467702.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1803 for ARM64-based Systems | 17134.407 | [KB4467702](https://patchblox.com/security/data/fix/microsoft/kb4467702.md) | Nov 13, 2018 |
| Microsoft | Windows 10 Version 1803 for x64-based Systems | 17134.407 | [KB4467702](https://patchblox.com/security/data/fix/microsoft/kb4467702.md) | Nov 13, 2018 |
| Microsoft | Windows 10 for 32-bit Systems | 10240.18036 | [KB4467680](https://patchblox.com/security/data/fix/microsoft/kb4467680.md) | Nov 13, 2018 |
| Microsoft | Windows 10 for x64-based Systems | 10240.18036 | [KB4467680](https://patchblox.com/security/data/fix/microsoft/kb4467680.md) | Nov 13, 2018 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4467107](https://patchblox.com/security/data/fix/microsoft/kb4467107.md) | Nov 13, 2018 |
| Microsoft | Windows 7 for 32-bit Systems Service Pack 1 |  | [KB4467106](https://patchblox.com/security/data/fix/microsoft/kb4467106.md) | Nov 13, 2018 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4467107](https://patchblox.com/security/data/fix/microsoft/kb4467107.md) | Nov 13, 2018 |
| Microsoft | Windows 7 for x64-based Systems Service Pack 1 |  | [KB4467106](https://patchblox.com/security/data/fix/microsoft/kb4467106.md) | Nov 13, 2018 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4467703](https://patchblox.com/security/data/fix/microsoft/kb4467703.md) | Nov 13, 2018 |
| Microsoft | Windows 8.1 for 32-bit systems |  | [KB4467697](https://patchblox.com/security/data/fix/microsoft/kb4467697.md) | Nov 13, 2018 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4467703](https://patchblox.com/security/data/fix/microsoft/kb4467703.md) | Nov 13, 2018 |
| Microsoft | Windows 8.1 for x64-based systems |  | [KB4467697](https://patchblox.com/security/data/fix/microsoft/kb4467697.md) | Nov 13, 2018 |
| Microsoft | Windows RT 8.1 |  | [KB4467697](https://patchblox.com/security/data/fix/microsoft/kb4467697.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4467107](https://patchblox.com/security/data/fix/microsoft/kb4467107.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 |  | [KB4467106](https://patchblox.com/security/data/fix/microsoft/kb4467106.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4467107](https://patchblox.com/security/data/fix/microsoft/kb4467107.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 |  | [KB4467106](https://patchblox.com/security/data/fix/microsoft/kb4467106.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4467107](https://patchblox.com/security/data/fix/microsoft/kb4467107.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) |  | [KB4467106](https://patchblox.com/security/data/fix/microsoft/kb4467106.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB4467706](https://patchblox.com/security/data/fix/microsoft/kb4467706.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 |  | [KB4467700](https://patchblox.com/security/data/fix/microsoft/kb4467700.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB4467706](https://patchblox.com/security/data/fix/microsoft/kb4467706.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) |  | [KB4467700](https://patchblox.com/security/data/fix/microsoft/kb4467700.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 |  | [KB4467706](https://patchblox.com/security/data/fix/microsoft/kb4467706.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 |  | [KB4467700](https://patchblox.com/security/data/fix/microsoft/kb4467700.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB4467706](https://patchblox.com/security/data/fix/microsoft/kb4467706.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 |  | [KB4467700](https://patchblox.com/security/data/fix/microsoft/kb4467700.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB4467706](https://patchblox.com/security/data/fix/microsoft/kb4467706.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) |  | [KB4467700](https://patchblox.com/security/data/fix/microsoft/kb4467700.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2012 |  | [KB4467701](https://patchblox.com/security/data/fix/microsoft/kb4467701.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2012 |  | [KB4467678](https://patchblox.com/security/data/fix/microsoft/kb4467678.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4467701](https://patchblox.com/security/data/fix/microsoft/kb4467701.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2012 (Server Core installation) |  | [KB4467678](https://patchblox.com/security/data/fix/microsoft/kb4467678.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2012 R2 |  | [KB4467703](https://patchblox.com/security/data/fix/microsoft/kb4467703.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2012 R2 |  | [KB4467697](https://patchblox.com/security/data/fix/microsoft/kb4467697.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4467703](https://patchblox.com/security/data/fix/microsoft/kb4467703.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2012 R2 (Server Core installation) |  | [KB4467697](https://patchblox.com/security/data/fix/microsoft/kb4467697.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2016 | 14393.2608 | [KB4467691](https://patchblox.com/security/data/fix/microsoft/kb4467691.md) | Nov 13, 2018 |
| Microsoft | Windows Server 2016 (Server Core installation) | 14393.2608 | [KB4467691](https://patchblox.com/security/data/fix/microsoft/kb4467691.md) | Nov 13, 2018 |
| Microsoft | Windows Server, version 1709  (Server Core Installation) | 16299.785 | [KB4467686](https://patchblox.com/security/data/fix/microsoft/kb4467686.md) | Nov 13, 2018 |
| Microsoft | Windows Server, version 1803  (Server Core Installation) | 17134.407 | [KB4467702](https://patchblox.com/security/data/fix/microsoft/kb4467702.md) | Nov 13, 2018 |

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Data as of 2026-11-07T12:40:37Z 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
