high8.4
CVE-2026-45458
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Impact
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | 365 Apps | All versions |
| Microsoft | Microsoft 365 | All versions |
| Microsoft | Office 2019 | All versions |
| Microsoft | Office 2021 | All versions |
| Microsoft | Office 2024 | All versions |
| Microsoft | Sharepoint Server | before 16.0.19725.20384 Versions 2016, 2019 |
| Microsoft | Word | Version 2016 |