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CVE-2018-8597

• Severity: high (CVSS 7.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 16.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2018-12-12 · 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 Office 365 ProPlus, Microsoft Office, Microsoft Excel. This CVE ID is unique from CVE-2018-8636.

Affected products

• Microsoft Excel 2013 Service Pack 1: 2010-sp2, 2013-sp1, 2016
• Microsoft Office: 2010-sp2, 2016, 2019
• Microsoft Office 365: all versions
• Microsoft Office Compatibility Pack: all versions
• 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 Office: 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2016 for Mac, 2019 for 32-bit editions, 2019 for 64-bit editions, 2019 for Mac (+1)

References

• http://www.securityfocus.com/bid/106100
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8597
• http://www.securityfocus.com/bid/106100
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2018-8597

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