CVE-2009-0557 vulnerability in Microsoft Products
Published on June 10, 2009

Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "Object Record Corruption Vulnerability."

Vendor Advisory Vendor Advisory NVD

Known Exploited Vulnerability

This Microsoft Office Object Record Corruption Vulnerability is part of CISA's list of Known Exploited Vulnerabilities. Microsoft Office contains an object record corruption vulnerability which allows remote attackers to execute code via a crafted Excel file with a malformed record object.

The following remediation steps are recommended / required by June 22, 2022: Apply updates per vendor instructions.

Vulnerability Analysis

CVE-2009-0557 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. It has an exploitability score of 1.8 out of four. The potential impact of an exploit of this vulnerability is considered to be very high.

What is a Code Injection Vulnerability?

The software constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

CVE-2009-0557 has been classified to as a Code Injection vulnerability or weakness.

Products Associated with CVE-2009-0557

You can be notified by stack.watch whenever vulnerabilities like CVE-2009-0557 are published in these products:

Microsoft Office

Microsoft Office Sharepoint Server

Microsoft Office Excel Viewer

Microsoft Office Compatibility Pack

Microsoft Open Xml File Format Converter

What versions are vulnerable to CVE-2009-0557?