CVE-2025-59240 - CVE House
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Status published Medium CVE-2025-59240

Microsoft Excel Information Disclosure Vulnerability

Vulnerability Description

Exposure of sensitive information to an unauthorized actor in Microsoft Office Excel allows an unauthorized attacker to disclose information locally.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

Microsoft 365 Apps for Enterprise, Microsoft Excel 2016, Microsoft Office 2019, Microsoft Office LTSC 2021, Microsoft Office LTSC 2024
Vulnerable Versions:
16.0.1, 16.0.0.0, 19.0.0, 16.0.0

Timeline

Official Publish: November 11th, 2025
Last Modified: February 13th, 2026
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C

Weaknesses (CWE)