What’s Vulnerable › Vulnerabilities

CVE-2022-33631: Microsoft Excel Security Feature Bypass Vulnerability

• Severity: high (CVSS 7.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.8% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-08-09 · updated 2026-06-17
• Weakness: CWE-693

Description

Microsoft Excel Security Feature Bypass Vulnerability

Affected products

• Microsoft 365 Apps: all versions
• Microsoft Excel 2013 Service Pack 1: 2013-sp1, 2016
• Microsoft Office: 2019
• Microsoft Office LTSC for Mac 2021: 2021
• Microsoft 365 Apps: from 16.0.1 before https://aka.ms/OfficeSecurityReleases — fixed in https://aka.ms/OfficeSecurityReleases
• Microsoft Excel 2013 Service Pack 1: from 15.0.0.0 before 15.0.5475.1001 — fixed in 15.0.5475.1001
• Microsoft Excel 2016: from 16.0.0.0 before 16.0.14931.20612 — fixed in 16.0.14931.20612
• Microsoft Office LTSC 2021: from 16.0.1 before https://aka.ms/OfficeSecurityReleases — fixed in https://aka.ms/OfficeSecurityReleases
• Microsoft Office: from 19.0.0 before https://aka.ms/OfficeSecurityReleases — fixed in https://aka.ms/OfficeSecurityReleases

How to fix

Upgrade to a fixed version: Microsoft 365 Apps https://aka.ms/OfficeSecurityReleases; Microsoft Excel 2013 Service Pack 1 15.0.5475.1001; Microsoft Excel 2016 16.0.14931.20612; Microsoft Office LTSC 2021 https://aka.ms/OfficeSecurityReleases; Microsoft Office https://aka.ms/OfficeSecurityReleases. Check the vendor advisory for mitigations.

References

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-33631
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2022-33631

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