CVE-2026-96997

HIGHCVSS 7.8/10

Last modified

CVE-2026-96997 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally..

Description

Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.

Metrics

Weakness Enumeration

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
MicrosoftMicrosoft 365 Apps for Enterprise>= 16.0.1, < https://aka.ms/OfficeSecurityReleases
MicrosoftMicrosoft Office 365 for Mac>= 1.0.0, < publication
MicrosoftMicrosoft Office LTSC 2021>= 16.0.1, < 16.0.14334.20974
MicrosoftMicrosoft Office LTSC 2024>= 16.0.0, < 16.0.17932.21056
MicrosoftMicrosoft Office LTSC for Mac 2021>= 16.0.1, < publication
MicrosoftMicrosoft Office LTSC for Mac 2024>= 16.0.0, < publication

References

Timeline

Published
Last Modified
Status
Awaiting Analysis

Frequently Asked Questions

What is CVE-2026-96997?
Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.
How severe is CVE-2026-96997?
CVE-2026-96997 has a CVSS score of 7.8/10 (HIGH severity).
How do I fix CVE-2026-96997?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST