CVE-2025-54898
High
Description
Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Excel
PublishedSep 9, 2025
First seenSep 9, 2025
Weakness typeCWE-125Out-of-bounds read
How to fix
Update
- microsoft office_online_server16.0.10417.20047 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 < 16.0.10417.20047 | 16.0.10417.20047 |
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