CVE-2017-11877 Security feature bypass in Microsoft Office

What is CVE-2017-11877?

CVE-2017-11877 is a medium-severity vulnerability in Microsoft Excel, published on 15 Nov 2017. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.

Official 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".

Which versions are affected by CVE-2017-11877?

It affects 3 products.

Products include Microsoft Excel, Microsoft Excel Viewer, Microsoft Office Compatibility Pack.

How do I fix CVE-2017-11877?

No fix has been published for CVE-2017-11877 yet. Limit exposure of the affected software until one is available.

Is CVE-2017-11877 being exploited?

There is no known exploitation of CVE-2017-11877 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Excel

• CVE-2019-1297 Microsoft Excel Remote Code Execution Exploited High 8.8
• CVE-2009-0238 Microsoft Office Remote Code Execution Exploited High 8.8
• CVE-2016-7262 Microsoft Office Security Feature Bypass Exploited High 7.8
• CVE-2009-3129 Microsoft Excel Featheader Record Memory Corruption Exploited High 7.8
• CVE-2008-0081 Code injection in n/a Critical 9.8

All Microsoft Excel vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-gp6j-38cw-3x32.