PT-2025-42110 · Microsoft · Office Excel

Published 2025-10-14 · Updated 2025-12-18 · CVE-2025-59225

Positive Technologies (AI Summary)

CVSS v3.1

7.8

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Microsoft Office (affected versions not specified) Microsoft Office Excel (affected versions not specified) Microsoft 365 Apps for Enterprise (affected versions not specified) Microsoft Office Long Term Servicing Channel (affected versions not specified) Microsoft Office Online Server (affected versions not specified)

Description A use-after-free condition exists in Microsoft Office Excel. This occurs when a program attempts to use memory after it has been freed, potentially allowing an attacker to execute arbitrary code. Exploitation of this issue could allow a remote attacker to execute code and impact the system.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

RCE

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

BDU:2025-13044

CVE-2025-59225

Affected Products

Office Excel

References · 8

• https://nvd.nist.gov/vuln/detail/CVE-2025-59225 · Security Note
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-59225 · Security Note
• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59225 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-13044 · Security Note
• https://safe-surf.ru/specialists/bulletins-nkcki/725731 · Security Note
• https://osv.dev/vulnerability/CVE-2025-59225 · Vendor Advisory
• https://twitter.com/CveTodo/status/1978150872497442886 · Twitter Post
• https://twitter.com/CVEnew/status/1978171166847332591 · Twitter Post