Microsoft Microsoft OneNote vulnerabilities

3 published CVEs name Microsoft Microsoft OneNote among the affected products.

All 3 in the list Atom feed of new CVEs

Published CVEs: 3
Last 12 months: 1
Critical: 0
Known exploited: 0

Critical 0High 3Medium 0Low 0Not scored 0

CVEs per yearBy the year they were published

20252
20261

Newest CVEs

CVE-2026-26133
M365 Copilot Information Disclosure Vulnerability
Microsoft · Microsoft 365 Copilot for Android
High7.1
CVE-2025-29822
Microsoft OneNote Security Feature Bypass Vulnerability
Microsoft · Microsoft 365 Apps for Enterprise
High7.8
CVE-2025-21402
Microsoft Office OneNote Remote Code Execution Vulnerability
Microsoft · Microsoft Office LTSC for Mac 2021
High7.8

Most common weaknesses