PT-2025-42112 · Microsoft · Office

Published 2025-10-14 · Updated 2026-05-22 · CVE-2025-59227

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)

Description A use-after-free condition exists in Microsoft Office. This occurs when a program attempts to use memory after it has been freed, resulting in unpredictable behavior. Exploitation of this flaw could allow an attacker to execute code on a vulnerable 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:2025-13073

CVE-2025-59227

Affected Products

Office

References · 11

• https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-59227 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-59227 · Security Note
• https://bdu.fstec.ru/vul/2025-13073 · Security Note
• https://osv.dev/vulnerability/CVE-2025-59227 · Vendor Advisory
• http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2025-59227 · Security Note
• https://twitter.com/CVEnew/status/1978171164125233639 · Twitter Post
• https://roboshadow.com/blog/patch-tuesday-october-2025 · Reddit Post
• https://t.me/cveNotify/164599 · Telegram Post
• https://t.me/avleonovcom/1593 · Telegram Post
• https://twitter.com/CveTodo/status/1978151378359898581 · Twitter Post
• https://t.me/msrcreports/2188 · Telegram Post