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CVE-2009-3129

HIGH CISA KEV

Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003 SP3; Office Excel Viewer SP1 and SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allows remote attackers to execute arbitrary code via a spreadsheet with a FEATHEADER record containing an invalid cbHdrData size element that affects a pointer offset, aka "Excel Featheader Record Memory Corruption Vulnerability."

Published: Nov 11, 2009 Modified: Apr 22, 2026
CWE-787 CWE-787

CVSS Metrics

CVSSv3
Attack Vector: LOCAL Attack Complexity: LOW Privileges Required: NONE User Interaction: REQUIRED Scope: UNCHANGED Confidentiality Impact: HIGH Integrity Impact: HIGH Availability Impact: HIGH

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

Affected Products (10)

Vendor Product Version
microsoft excel 2002
microsoft excel 2003
microsoft excel 2007
microsoft excel 2007
microsoft excel_viewer -
microsoft excel_viewer -
microsoft excel_viewer 2003
microsoft office 2004
microsoft office 2008
microsoft open_xml_file_format_converter *

GitHub Security Advisory GHSA-8325-hmcc-g9mq

Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac;...

Risk Scores

CVSS Score 7.8 / 10
EPSS Score 91.24%

Top 0% most likely to be exploited

Threat Score 88.6 / 100

CISA Known Exploited

Date Added: 2022-03-03
Due Date: 2022-03-24
Required Action:

Apply updates per vendor instructions.

Data Sources

NVD CISA KEV EPSS GitHub