CVE-2025-53759
High
Description
Use of uninitialized resource in Microsoft Office Excel allows an unauthorized attacker to execute code locally.
SeverityHigh
CVSS7.8
Exploit probability—
Product
Microsoft Office
PublishedAug 12, 2025
First seenAug 12, 2025
Weakness typeCWE-908CWE-908
How to fix
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| microsoft office | 2019 | — |
| microsoft 365_apps | No range specified | — |
| microsoft office_long_term_servicing_channel | 2021, 2024 | — |
| microsoft office_online_server | No range specified | — |
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