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Vulnerability record · CVE-2017-11878 · published 15 November 2017

CVE-2017-11878: Microsoft excel memory buffer overflow vulnerability

Microsoft · Excel

Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2016, Microsoft Office Compatibility Pack Service Pack 3, and Microsoft Excel Viewer 2007 Service Pack 3 allow an attacker to run arbitrary code in the context of the current user by failing to properly handle objects in memory, aka "Microsoft Excel Memory Corruption Vulnerability".

7.8 CVSS 3.1 High EPSS 6.2% · top 6.8% CWE-119 · Memory buffer overflow
7.8CVSS 3.1 base score, v2 9.3
6.2%EPSS exploitation probability, 30 days
NoNot in CISA KEV
3Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2016, Microsoft Office Compatibility Pack Service Pack 3, and Microsoft Excel Viewer 2007 Service Pack 3 allow an attacker to run arbitrary code in the context of the current user by failing to properly handle objects in memory, aka "Microsoft Excel Memory Corruption Vulnerability".

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

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

References

LinkTags
http://www.securityfocus.com/bid/101756 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039783 Issue TrackingThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11878 Issue TrackingPatchVendor Advisory
http://www.securityfocus.com/bid/101756 Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1039783 Issue TrackingThird Party AdvisoryVDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11878 Issue TrackingPatchVendor 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-2017-11878), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.