CVE-2017-11877

Name: CVE-2017-11877
Creator: NVD / NIST
Published: 2017-11-15T03:29:01.763+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.5/10EPSS 4.55%

Last modified Jun 17, 2026

CVE-2017-11877 is a medium-severity vulnerability rated 5.5/10 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, Microsoft Excel Viewer 2007 Service Pack 3, and Microsoft Excel 2016 for Mac allow a security feature bypass by not enforcing macro settings on an Excel document, aka "Microsoft Excel Security Feature Bypass Vulnerability".. EPSS estimates a 4.55% 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, Microsoft Excel Viewer 2007 Service Pack 3, and Microsoft Excel 2016 for Mac allow a security feature bypass by not enforcing macro settings on an Excel document, aka "Microsoft Excel Security Feature Bypass Vulnerability".

Metrics

CVSS 3.1

5.5/10

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

EPSS Probability

4.55%

90.4th percentile

Probability of exploitation in the next 30 days. Learn more

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/101747Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039783Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11877Issue Tracking, Patch, Vendor Advisory
http://www.securityfocus.com/bid/101747Third Party Advisory, VDB Entry
http://www.securitytracker.com/id/1039783Third Party Advisory, VDB Entry
https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11877Issue Tracking, Patch, Vendor Advisory

Timeline

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

Frequently Asked Questions

What is CVE-2017-11877?

How severe is CVE-2017-11877?

CVE-2017-11877 has a CVSS score of 5.5/10 (MEDIUM severity). The EPSS model estimates a 4.55% probability of exploitation in the next 30 days.

How do I fix CVE-2017-11877?

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-2017-11877?

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

Scan your code now

Source: NVD / NIST