CVE-2025-30379
High
Description
Release of invalid pointer or reference in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Excel
PublishedMay 13, 2025
First seenMay 13, 2025
Weakness typeCWE-763CWE-763
How to fix
Update
- microsoft office_online_server16.0.10417.20010 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft excel | 2016 | — |
| microsoft 365_apps | No range specified | — |
| microsoft office | 2019 | — |
| microsoft office_long_term_servicing_channel | 2021, 2024 | — |
| microsoft office_online_server | v < 16.0.10417.20010 | 16.0.10417.20010 |
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