CVE-2017-11877
CVE-2017-11877 is a medium-severity vulnerability in Microsoft Excel with a CVSS 3.x base score of 5.5. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.
Key facts
- Severity: Medium (CVSS 3.x base score 5.5)
- CVSS v2: 4.3
- EPSS exploit prediction: 5% (90th percentile)
- Actively exploited: Not listed in CISA KEV
- Affected product: Microsoft Excel
- Published:
- Last modified:
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".
Frequently asked questions
- What is CVE-2017-11877?
- 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".
- How severe is CVE-2017-11877?
- CVE-2017-11877 has a CVSS 3.x base score of 5.5, rated medium severity. It is exploitable over local access with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is none, integrity high, and availability none.
- Is CVE-2017-11877 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (90th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2017-11877?
- CVE-2017-11877 primarily affects Microsoft Excel. In total, 8 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2017-11877?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2017-11877 published?
- CVE-2017-11877 was published on 2017-11-15 and last updated on 2026-06-17.
References
- http://www.securityfocus.com/bid/101747
- http://www.securitytracker.com/id/1039783
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2017-11877
Affected products (8)
- cpe:2.3:a:microsoft:excel:2007:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2010:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2013:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2013:sp1:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2016:*:*:*:*:*:*:*
- cpe:2.3:a:microsoft:excel:2016:*:*:*:*:mac_os_x:*:*
- cpe:2.3:a:microsoft:excel_viewer:2007:sp3:*:*:*:*:*:*
- cpe:2.3:a:microsoft:office_compatibility_pack:-:sp3:*:*:*:*:*:*
More vulnerabilities in Microsoft Excel
- CVE-2008-0081 — Critical (CVSS 9.8): Unspecified vulnerability in Microsoft Excel 2000 SP3 through 2003 SP2, Viewer 2003, and Office 2004 for Mac allows…
- CVE-2015-6177 — Critical (CVSS 9.3): Microsoft Excel 2007 SP3, Office Compatibility Pack SP3, and Excel Viewer allow remote attackers to execute arbitrary…
- CVE-2015-6122 — Critical (CVSS 9.3): Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel for Mac 2011, Office Compatibility Pack SP3, and Excel Viewer allow…
- CVE-2015-6040 — Critical (CVSS 9.3): Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel for Mac 2011, Excel 2016 for Mac, Office Compatibility Pack SP3, and…
- CVE-2015-6094 — Critical (CVSS 9.3): Microsoft Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel for Mac 2011, Excel 2016 for Mac, and…
- CVE-2015-6038 — Critical (CVSS 9.3): Microsoft Excel 2007 SP3, Excel 2010 SP2, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel for Mac 2011, Excel 2016…