CVE-2021-42292: Microsoft Excel Security Feature Bypass

High severity, CVSS 7.8. Actively exploited: in CISA KEV since 2021-11-17. EPSS: 43% chance of exploitation in the next 30 days.

Microsoft Excel Security Feature Bypass Vulnerability

Affected products

• Microsoft 365 Apps: affected versions not specified
• Microsoft Excel: version 2013 only; version 2016 only
• Microsoft Office: version 2013 only; version 2019 only
• Microsoft Office 2016: affected versions not specified
• Microsoft Office 2019: affected versions not specified
• Microsoft Office 2021: affected versions not specified

Published 2021-11-10. Last modified 2026-08-19.