Zero-day vulnerability in Microsoft Word

Memory corruption
CVE-2007-0870

According to CERT, this vulnerability has been actively exploited in the wild before official patch release.

Vulnerability details

Advisory: SB2007021403 - Remote code execution in Microsoft Word

Vulnerable component: Microsoft Word

CVE-ID: CVE-2007-0870

CVSSv3 score: CVSS:3.0/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 - Improper Restriction of Operations within the Bounds of a Memory Buffer

Description:

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

The vulnerability exists due to boundary error when handling malformed stream in Word document. A remote attacker can create a specially crafted MS Word document, 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.

Vulnerability Scanning SaaS

Vulnerability scanning SaaS service is online 3-rd generation vulnerability scanner with scheduled assessments and vulnerability subscription. You can use service to check security of your network perimeter.