# CVE-2018-8407: Windows Remote Procedure Call Information Disclosure Vulnerability CVE-2018-8407 is fixed in 38 products on 1 platform, first by KB4467691, released November 13, 2018. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2018-8407 - Priority: Routine - CVSS: 3.3 (Important) - EPSS: 0.0166 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation Less Likely - Published: Nov 13, 2018 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8407 ## Description

An information disclosure vulnerability exists when the Windows Remote Procedure Call (RPC) runtime improperly initializes objects in memory. An attacker who successfully exploited this vulnerability could obtain information to further compromise the user’s system.

To exploit this vulnerability, an authenticated attacker could run a specially crafted application.

The update addresses the vulnerability by correcting how the Remote Procedure Call runtime initializes objects in memory.

## 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 Version 1809 for 32-bit Systems | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.md) | Nov 13, 2018 | | Microsoft | Windows 10 Version 1809 for ARM64-based Systems | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.md) | Nov 13, 2018 | | Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.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 2019 | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.md) | Nov 13, 2018 | | Microsoft | Windows Server 2019 (Server Core installation) | 17763.134 | [KB4467708](https://patchblox.com/security/data/fix/microsoft/kb4467708.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 | --- 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