SB2007020204 - Buffer overflow in Microsoft Excel
Published: February 2, 2007 Updated: August 12, 2025
Security Bulletin ID
SB2007020204
Severity
Critical
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Buffer overflow (CVE-ID: CVE-2007-0671)
The vulnerability allows a remote user to execute arbitrary code on the target system.
The vulnerability exists due to boundary error when handling malformed records in Excel files. A remote attacker can create a specially crafted Excel 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.
Remediation
Install update from vendor's website.