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Vulnerability record · CVE-2018-8432 · published 10 October 2018

CVE-2018-8432: Microsoft excel viewer vulnerability

Microsoft · Excel Viewer

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.

7.8 CVSS 3.0 High EPSS 20% · top 2.7%
7.8CVSS 3.0 base score, v2 9.3
20%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

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.

CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/105458 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041823 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8432 PatchVendor Advisory
http://www.securityfocus.com/bid/105458 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1041823 Third Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8432 PatchVendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2018-8432), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.