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CVE-2019-1331

• Severity: high (CVSS 8.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 19.7% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-10-10 · 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 CVE ID is unique from CVE-2019-1327.

Affected products

• Microsoft Excel 2013 Service Pack 1: 2010-sp2, 2013-sp1, 2016
• Microsoft Excel Services: all versions
• Microsoft Office: 2010-sp2, 2013-sp1, 2016, 2019
• Microsoft Office 365 ProPlus: all versions
• Microsoft Office Online Server: all versions
• Microsoft Excel 2013 Service Pack 1: 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2013 RT Service Pack 1, 2016 (32-bit edition) (+1)
• Microsoft Excel Services on Microsoft SharePoint Server 2010 Service Pack 2: all versions
• Microsoft Office: 2010 Service Pack 2 (32-bit editions), 2010 Service Pack 2 (64-bit editions), 2013 Service Pack 1 (32-bit editions), 2013 Service Pack 1 (64-bit editions), 2013 RT Service Pack 1, 2016 for Mac (+5)
• Microsoft Office 365 ProPlus: 32-bit Systems, 64-bit Systems
• Microsoft Office Online Server: all versions
• Microsoft SharePoint Server: 2013 Service Pack 1

References

• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1331
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2019-1331

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