CVE-2026-96997: Microsoft Office OneNote Elevation of Privilege Vulnerability
Microsoft Office OneNote Elevation of Privilege Vulnerability
Other sources
Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.
— Microsoft
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in https://aka.ms/OfficeSecurityReleases - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.17932.21056 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 16.0.14334.20974
Event History
Frequently Asked Questions
Which Office deployments are listed as affected?
The affected software list includes Microsoft 365 Apps for Enterprise; Office LTSC 2021 and 2024 for 32-bit and 64-bit editions; Office LTSC for Mac 2021 and 2024; and Microsoft Office 365 for Mac.
What level of attacker access is required?
Exploitation requires an authorized attacker with local access. The provided information does not indicate that remote, unauthenticated exploitation is possible.