CVE-2025-47169

Published: Jun 10, 2025Modified: Jul 9, 2025

7.8

Vector

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

Exploitability: 1.8 / Impact: 5.9

Source: secure@microsoft.com (Secondary)

Description

Heap-based buffer overflow in Microsoft Office Word allows an unauthorized attacker to execute code locally.

Affected (9)

Products: Microsoft: 365 Apps, Office, Office Long Term Servicing Channel, Sharepoint Enterprise Server, Sharepoint Server, Word

6 products

Office Long Term Servicing Channel

Sharepoint Enterprise Server

Sharepoint Server

Configuration A

9 vulnerable

Vulnerable Software	Affected Versions
Microsoft 365 Apps	All versions
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
Microsoft Sharepoint Enterprise Server	Version 2016
Microsoft Sharepoint Server	Version 2019
Microsoft Word	Version 2016

Related CWEs

Heap-based Buffer Overflow

A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc().

References (1)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2025-47169

Source: secure@microsoft.com

Broken Link

Timeline

No history available yet.