CVE-2025-30377
High
Description
Use after free in Microsoft Office allows an unauthorized attacker to execute code locally.
SeverityHigh
CVSS8.4
Exploit probability—
Product
Microsoft Office
PublishedMay 13, 2025
First seenMay 13, 2025
Weakness typeCWE-416Use after free
How to fix
Update
- microsoft office_online_server16.0.10417.20010 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft office | 2019 | — |
| microsoft 365_apps | No range specified | — |
| microsoft excel | 2016 | — |
| microsoft office_long_term_servicing_channel | 2021, 2024 | — |
| microsoft office_online_server | v < 16.0.10417.20010 | 16.0.10417.20010 |
Check your version
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