CVE-2025-59235

Microsoft Excel Information Disclosure Vulnerability

State: Published
Severity: 7.1 High
Published: Oct 14, 2025
Updated: Feb 22, 2026
Reserved: Sep 11, 2025

Description

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

Scores

CVSS	Score	Vector	Source
3.1	7.1 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:H/E:U/RL:O/RC:C	microsoft

Weaknesses

CWE-125 Out-of-bounds Read

Affected Products

Product	Versions
Microsoft 365 Apps for EnterpriseMicrosoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Access 2016Microsoft	16.0.0 to before 16.0.5522.1000Affected
Microsoft Access 2016 (32-bit edition)Microsoft	16.0.0 to before 16.0.5522.1000Affected
Microsoft Excel 2016Microsoft	16.0.0.0 to before 16.0.5522.1000Affected
Microsoft Office 2019Microsoft	19.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC 2021Microsoft	16.0.1 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC 2024Microsoft	16.0.0 to before https://aka.ms/OfficeSecurityReleasesAffected
Microsoft Office LTSC for Mac 2021Microsoft	16.0.1 to before 16.102.25101223Affected
Microsoft Office LTSC for Mac 2024Microsoft	16.0.0 to before 16.102.25101223Affected
Microsoft SharePoint Enterprise Server 2016Microsoft	16.0.0 to before 16.0.5522.1000Affected
Microsoft SharePoint Server 2019Microsoft	16.0.0 to before 16.0.10417.20059Affected
Office Online ServerMicrosoft	16.0.0.0 to before 16.0.10417.20059Affected

References

Microsoft Excel Information Disclosure Vulnerabilityvendor-advisorypatch

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