CVE-2025-59240

Published: Nov 11, 2025Modified: Nov 17, 2025

5.5

Vector

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N

Exploitability: 1.8 / Impact: 3.6

Source: secure@microsoft.com (Secondary)

Description

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

Products: Microsoft: 365 Apps, Excel, Office, Office Long Term Servicing Channel

4 products

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Microsoft 365 Apps	All versions
Microsoft Excel	Version 2016
Microsoft Excel	Version 2016
Microsoft Office	Version 2019
Microsoft Office	Version 2019
Microsoft Office Long Term Servicing Channel	Version 2021
Microsoft Office Long Term Servicing Channel	Version 2021
Microsoft Office Long Term Servicing Channel	Version 2024
Microsoft Office Long Term Servicing Channel	Version 2024

Source: secure@microsoft.com

Vendor Advisory

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