CVE-2025-59232

High

Description

Out-of-bounds read in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

SeverityHigh
CVSS7.1
Exploit probability—
ProductMicrosoft Excel
PublishedOct 14, 2025
First seenOct 14, 2025

How to fix

Update
  • microsoft office_online_server16.0.10417.20059 or later

Affected products

ProductAffected versionsFixed in
microsoft excel2016—
microsoft 365_appsNo range specified—
microsoft access2016—
microsoft office2019—
microsoft office_long_term_servicing_channel2021, 2024—
microsoft office_online_serverv < 16.0.10417.2005916.0.10417.20059
microsoft sharepoint_server2016, 2019—

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