high7.8
CVE-2025-54899
Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Impact
Free of memory not on the heap in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Microsoft | 365 Apps | All versions |
| Microsoft | Excel | Version 2016 |
| Microsoft | Office | Version 2019 |
| Microsoft | Office Long Term Servicing Channel | Versions 2021, 2024 |