CVE-2009-0100

critical Microsoft
CVSS v3 Base Score
9.3
AV:N/AC:M/Au:N/C:C/I:C/A:C
EPSS Score
57.2%
Exploitation probability in 30 days
Top 2% most likely to be exploited
Attack Characteristics
Attack Vector
Network
Attack Complexity
M
Confidentiality
C
Integrity
C
Availability
C
Published: April 15, 2009 (6238 days ago)
Last Modified: April 23, 2026
Vendor: Microsoft
Source: NVD

Description

Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel in Microsoft Office 2004 and 2008 for Mac; Microsoft Office Excel Viewer and Excel Viewer 2003 SP3; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 do not properly parse the Excel spreadsheet file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet that contains a malformed object with "an offset and a two-byte value" that trigger a memory calculation error, aka "Memory Corruption Vulnerability."

CWE

CWE-399

Affected Products

microsoft officemicrosoft office compatibility pack for word excel ppt 2007microsoft office excelmicrosoft office excel viewer

References

🔗 osvdb.org 🔗 www.fortiguardcenter.com 🔗 www.securityfocus.com 🔗 www.securitytracker.com 🔗 www.us-cert.gov