Description
Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.
Affected products
microsoft: 365 apps; microsoft: microsoft 365; microsoft: office 2021; microsoft: office 2024
References1
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-96997 Vendor Advisory
Metrics
- CVSS 3.1
-
7.8
HIGH
Score source: CNA
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 0% percentile: 24 · as of 11 November 2026
- CWE
- CWE-416
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.