CVE-2025-21354
High
Description
Microsoft Excel Remote Code Execution Vulnerability
SeverityHigh
CVSS8.4
Exploit probability—
Product
Microsoft 365 Apps
PublishedJan 14, 2025
First seenJan 14, 2025
Weakness typeCWE-822CWE-822
How to fix
Update
- microsoft office_online_server16.0.10416.20047 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft 365_apps | No range specified | — |
| microsoft office | 2019 | — |
| microsoft office_long_term_servicing_channel | 2021, 2024 | — |
| microsoft office_online_server | v < 16.0.10416.20047 | 16.0.10416.20047 |
Check your version
Choose the product and enter the version you run to see whether it falls in the affected range.
In the Intelligence 360 plan
Attack Surface Management
See the assets tied to your domains, the technologies they run and known vulnerabilities in one list.