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CVE-2018-8432

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 19.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-10-10 · updated 2026-06-17

Description

A remote code execution vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphics Components Remote Code Execution Vulnerability." This affects Windows 7, Microsoft Office, Microsoft Office Word Viewer, Office 365 ProPlus, Microsoft Excel Viewer, Microsoft PowerPoint Viewer, Windows Server 2019, Windows Server 2008 R2, Windows 10, Windows Server 2008.

Affected products

• Microsoft Excel Viewer: 2007-sp3
• Microsoft Office: 2016, 2019
• Microsoft Office 365 ProPlus: all versions
• Microsoft Office Compatibility Pack: all versions
• Microsoft PowerPoint Viewer: 2007
• Microsoft Windows 10 Version 1607: 1809
• Microsoft Windows 7: all versions
• Microsoft Windows Server 2008: r2-sp1
• Microsoft Windows Server 2019: all versions
• Microsoft Word Viewer: all versions
• Microsoft Excel Viewer: 2007 Service Pack 3
• Microsoft Office: 2016 for Mac, 2019 for 32-bit editions, 2019 for 64-bit editions, Compatibility Pack Service Pack 3
• Microsoft Office Word Viewer: Microsoft Office Word Viewer
• Microsoft PowerPoint Viewer: 2007
• Microsoft Windows 10 Version 1607: Version 1809 for 32-bit Systems, Version 1809 for x64-based Systems
• Microsoft Windows 7: 32-bit Systems Service Pack 1, x64-based Systems Service Pack 1
• Microsoft Windows Server 2008: 32-bit Systems Service Pack 2, 32-bit Systems Service Pack 2 (Server Core installation), Itanium-Based Systems Service Pack 2, x64-based Systems Service Pack 2, x64-based Systems Service Pack 2 (Server Core installation)
• Microsoft Windows Server 2008 R2: Itanium-Based Systems Service Pack 1, x64-based Systems Service Pack 1, x64-based Systems Service Pack 1 (Server Core installation)
• Microsoft Windows Server 2019: (Server Core installation)

References

• http://www.securityfocus.com/bid/105458
• http://www.securitytracker.com/id/1041823
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8432
• http://www.securityfocus.com/bid/105458
• http://www.securitytracker.com/id/1041823
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8432

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