# CVE-2018-8432: Microsoft Graphics Components Remote Code Execution Vulnerability CVE-2018-8432 is fixed in 18 products on 1 platform, first by KB4464330, released October 9, 2018. It is not reported as exploited. Patch Radar priority: Routine. - Web page: https://patchblox.com/security/cve/CVE-2018-8432 - Priority: Routine - CVSS: 5.0 (Important) - EPSS: 0.1955 - CISA KEV: not listed - Exploited (vendor report): no - Publicly disclosed: no - Vendor exploitability assessment: Exploitation Less Likely - Published: Oct 9, 2018 - Vendor advisory: https://msrc.microsoft.com/update-guide/vulnerability/CVE-2018-8432 ## Description

A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory. An attacker who successfully exploited the vulnerability could execute arbitrary code on a target system.

To exploit the vulnerability, a user would have to open a specially crafted file.

The security update addresses the vulnerability by correcting how Microsoft Graphics Components handle objects in memory.

## Where it's fixed | Platform | Product | Fixed in | Fix | Released | |---|---|---|---|---| | Microsoft | Microsoft Excel Viewer 2007 Service Pack 3 | | [KB4092444](https://patchblox.com/security/data/fix/microsoft/kb4092444.md) | Oct 9, 2018 | | Microsoft | Microsoft Office Compatibility Pack Service Pack 3 | | [KB4092444](https://patchblox.com/security/data/fix/microsoft/kb4092444.md) | Oct 9, 2018 | | Microsoft | Microsoft Office Word Viewer | | [KB4092464](https://patchblox.com/security/data/fix/microsoft/kb4092464.md) | Oct 9, 2018 | | Microsoft | Microsoft PowerPoint Viewer 2007 | | [KB4092444](https://patchblox.com/security/data/fix/microsoft/kb4092444.md) | Oct 9, 2018 | | Microsoft | Windows 10 Version 1809 for 32-bit Systems | 17763.55 | [KB4464330](https://patchblox.com/security/data/fix/microsoft/kb4464330.md) | Oct 9, 2018 | | Microsoft | Windows 10 Version 1809 for x64-based Systems | 17763.55 | [KB4464330](https://patchblox.com/security/data/fix/microsoft/kb4464330.md) | Oct 9, 2018 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4462915](https://patchblox.com/security/data/fix/microsoft/kb4462915.md) | Oct 9, 2018 | | Microsoft | Windows 7 for 32-bit Systems Service Pack 1 | | [KB4462923](https://patchblox.com/security/data/fix/microsoft/kb4462923.md) | Oct 9, 2018 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4462915](https://patchblox.com/security/data/fix/microsoft/kb4462915.md) | Oct 9, 2018 | | Microsoft | Windows 7 for x64-based Systems Service Pack 1 | | [KB4462923](https://patchblox.com/security/data/fix/microsoft/kb4462923.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4462915](https://patchblox.com/security/data/fix/microsoft/kb4462915.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 R2 for Itanium-Based Systems Service Pack 1 | | [KB4462923](https://patchblox.com/security/data/fix/microsoft/kb4462923.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4462915](https://patchblox.com/security/data/fix/microsoft/kb4462915.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 | | [KB4462923](https://patchblox.com/security/data/fix/microsoft/kb4462923.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4462915](https://patchblox.com/security/data/fix/microsoft/kb4462915.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 R2 for x64-based Systems Service Pack 1 (Server Core installation) | | [KB4462923](https://patchblox.com/security/data/fix/microsoft/kb4462923.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4463097](https://patchblox.com/security/data/fix/microsoft/kb4463097.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 | | [KB4463104](https://patchblox.com/security/data/fix/microsoft/kb4463104.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB4463097](https://patchblox.com/security/data/fix/microsoft/kb4463097.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for 32-bit Systems Service Pack 2 (Server Core installation) | | [KB4463104](https://patchblox.com/security/data/fix/microsoft/kb4463104.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 | | [KB4463097](https://patchblox.com/security/data/fix/microsoft/kb4463097.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for Itanium-Based Systems Service Pack 2 | | [KB4463104](https://patchblox.com/security/data/fix/microsoft/kb4463104.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4463097](https://patchblox.com/security/data/fix/microsoft/kb4463097.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 | | [KB4463104](https://patchblox.com/security/data/fix/microsoft/kb4463104.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4463097](https://patchblox.com/security/data/fix/microsoft/kb4463097.md) | Oct 9, 2018 | | Microsoft | Windows Server 2008 for x64-based Systems Service Pack 2 (Server Core installation) | | [KB4463104](https://patchblox.com/security/data/fix/microsoft/kb4463104.md) | Oct 9, 2018 | | Microsoft | Windows Server 2019 | 17763.55 | [KB4464330](https://patchblox.com/security/data/fix/microsoft/kb4464330.md) | Oct 9, 2018 | | Microsoft | Windows Server 2019 (Server Core installation) | 17763.55 | [KB4464330](https://patchblox.com/security/data/fix/microsoft/kb4464330.md) | Oct 9, 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