Security Feature Bypass in Microsoft Office OneNote
CVE-2025-29822

7.8HIGH

Key Information:

Vendor
Microsoft
Status
Microsoft Office 2019
Microsoft 365 Apps For Enterprise
Microsoft Office Ltsc 2021
Microsoft Onenote
Vendor
CVE Published:
8 April 2025

Summary

A vulnerability in Microsoft Office OneNote allows attackers to bypass security features due to an incomplete list of disallowed inputs. This flaw could enable unauthorized manipulation and potential exploitation of the application, raising serious concerns about data integrity and user security. It is crucial for organizations using OneNote to review their security practices and apply necessary updates to mitigate the risk.

Affected Version(s)

Microsoft 365 Apps for Enterprise 32-bit Systems 16.0.1

Microsoft Office 2019 32-bit Systems 19.0.0

Microsoft Office LTSC 2021 x64-based Systems 16.0.1

References

https://msrc.microsoft.com/update-guide/vulnerability/CVE...
vendor-advisory

CVSS V3.1

Score:
7.8
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Local
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
Required
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.