high7.8
CVE-2026-88109
Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
Impact
Use after free in Microsoft Office Click-To-Run allows an authorized attacker to elevate privileges locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | Microsoft Office LTSC 2024 | from 16.0.0 before 16.0.17932.21056 |
| Microsoft | Microsoft 365 Apps For Enterprise | from 16.0.1 before https://aka.ms/OfficeSecurityReleases |
| Microsoft | Microsoft Office LTSC 2021 | from 16.0.1 before 16.0.14334.20974 |
| Microsoft | 365 Apps | All versions |
| Microsoft | Office 2021 | All versions |
| Microsoft | Office 2024 | All versions |