What’s Vulnerable › Vulnerabilities

CVE-2018-8577

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 19.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-11-14 · updated 2026-06-17

Description

A remote code execution vulnerability exists in Microsoft Excel software when the software fails to properly handle objects in memory, aka "Microsoft Excel Remote Code Execution Vulnerability." This affects Microsoft Office, Office 365 ProPlus, Microsoft Excel, Microsoft Excel Viewer, Excel. This CVE ID is unique from CVE-2018-8574.

Affected products

• Microsoft Excel 2013 Service Pack 1: 2010-sp2, 2013-sp1, 2016
• Microsoft Excel Viewer: 2007-sp3
• Microsoft Office: 2010-sp2, 2013-sp1, 2016, 2019
• Microsoft Office 365 ProPlus: all versions
• Microsoft Office Compatibility Pack: all versions
• Microsoft Office Web Apps Server: 2013-sp1

References

• http://www.securityfocus.com/bid/105834
• http://www.securitytracker.com/id/1042134
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8577
• http://www.securityfocus.com/bid/105834
• http://www.securitytracker.com/id/1042134
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8577

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