Zero-day vulnerability in Microsoft Word

Buffer overflow

This vulnerability was publicly disclosed by Disco Jonny.

Known malware:


Vulnerability details

Advisory: SB2006121503 - Remote code execution in Microsoft Word

Vulnerable component: Microsoft Word

CVE-ID: CVE-2006-6561

CVSSv3 score: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:F/RL:O/RC:C

CWE-ID: CWE-119 - Memory corruption


The vulnerability allows a remote user to execute arbitrary code on the target system.

The vulnerability is caused by boundary error when processing  an unchecked word count in Word files. A remote attacker can create a specially crafted Word file, trick the victim into opening it and execute arbitrary code with privileges of the current user.

Successful exploitation of the vulnerability results in compromise of vulnerable system.

Note: this vulnerability is being actively exploited.

Public Exploits: