What’s Vulnerable › Vulnerabilities

CVE-2018-8429

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 12.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-09-13 · updated 2026-06-17
• Weakness: CWE-200

Description

An information disclosure vulnerability exists when Microsoft Excel improperly discloses the contents of its memory, aka "Microsoft Excel Information Disclosure Vulnerability." This affects Microsoft Excel Viewer, Microsoft Office, Microsoft Excel.

Affected products

• Microsoft Excel 2013 Service Pack 1: 2010-sp2, 2013-sp1, 2016
• Microsoft Excel Viewer: 2007-sp3
• Microsoft Office: 2016
• Microsoft Office Compatibility Pack: all versions
• Microsoft Office For Mac: 2016
• Microsoft Excel 2013 Service Pack 1: 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 RT Service Pack 1, 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2016 (32-bit edition) (+1)
• Microsoft Excel Viewer: 2007 Service Pack 3
• Microsoft Office: 2016 Click-to-Run (C2R) for 32-bit editions, 2016 Click-to-Run (C2R) for 64-bit editions, 2016 for Mac, Compatibility Pack Service Pack 3

References

• http://www.securityfocus.com/bid/105219
• http://www.securitytracker.com/id/1041630
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8429
• http://www.securityfocus.com/bid/105219
• http://www.securitytracker.com/id/1041630
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8429

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