CVE-2017-11878

Name: CVE-2017-11878
Creator: NVD / NIST
Published: 2017-11-15T03:29:01.797+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 6.17%

Last modified Jun 17, 2026

CVE-2017-11878 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. 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".. EPSS estimates a 6.17% chance of exploitation in the next 30 days.

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".

Metrics

CVSS 3.1

7.8/10

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

EPSS Probability

6.17%

92.6th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-119

Affected Software

Vendor	Product	Versions	Update
Microsoft	Excel	2007	—
Microsoft	Excel	2010	—
Microsoft	Excel	2013	—
Microsoft	Excel	2016	—
Microsoft	Excel Viewer	2007	Sp3
Microsoft	Office Compatibility Pack	All versions	Sp3

References

http://www.securityfocus.com/bid/101756Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039783Issue Tracking, Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11878Issue Tracking, Patch, Vendor Advisory
http://www.securityfocus.com/bid/101756Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039783Issue Tracking, Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11878Issue Tracking, Patch, Vendor Advisory

Timeline

Published: Nov 15, 2017
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2017-11878?

How severe is CVE-2017-11878?

CVE-2017-11878 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 6.17% probability of exploitation in the next 30 days.

How do I fix CVE-2017-11878?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2017-11878?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST