What’s Vulnerable › Vulnerabilities

CVE-2020-17130: Microsoft Excel Security Feature Bypass Vulnerability

• Severity: medium (CVSS 6.0 v2.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-09 · updated 2026-06-17

Description

Microsoft Excel Security Feature Bypass Vulnerability

Affected products

• Microsoft 365 Apps: all versions
• Microsoft Excel 2013 Service Pack 1: 2016
• Microsoft 365 Apps: from 16.0.1 before https://aka.ms/OfficeSecurityReleases — fixed in https://aka.ms/OfficeSecurityReleases
• Microsoft Excel 2016: from 16.0.0.0 before publication — fixed in publication

How to fix

Upgrade to a fixed version: Microsoft 365 Apps https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2016 publication. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-17130
• https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-17130

Get alerted when CVE-2020-17130 or the next vulnerability affects your stack