Description
Use after free in Microsoft Office OneNote allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Microsoft | Microsoft 365 Apps for Enterprise | 16.0.1 – < https://aka.ms/OfficeSecurityReleases | https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office 365 for Mac | 1.0.0 – < 16.114.26101123 | 16.114.26101123 |
| Microsoft | Microsoft Office LTSC 2021 | 16.0.1 – < 16.0.14334.20974 | 16.0.14334.20974 |
| Microsoft | Microsoft Office LTSC 2024 | 16.0.0 – < 16.0.17932.21056 | 16.0.17932.21056 |
| Microsoft | Microsoft Office LTSC for Mac 2021 | 16.0.1 – < 16.114.26101123 | 16.114.26101123 |
| Microsoft | Microsoft Office LTSC for Mac 2024 | 16.0.0 – < 16.114.26101123 | 16.114.26101123 |
Advisories 3
- WID-SEC-2026-3916 Microsoft Office Produkte: Mehrere Schwachstellen ermöglichen Privilegieneskalation BSI CERT-Bund (WID) · Oct 15, 2026
- MSRC-CVE-2026-96997 Microsoft Office OneNote Elevation of Privilege Vulnerability Microsoft Security Response Center · Oct 15, 2026
- NCSC-2026-0422 Kwetsbaarheden verholpen in Microsoft Office NCSC-NL (Netherlands) · Oct 13, 2026
References
- Microsoft Office OneNote Elevation of Privilege Vulnerability vendor-advisory patch