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CVE-2009-0557

Published: Jun 10, 2009Updated: Apr 22, 2026 Sources: CVE List NVDCWE-94
NVD MITRE
7.8CVSSHIGH
EPSS Score
58.6%
Top 1.0%
CISA KEV
Active Exploitation
Since Jun 8, 2022
Exploits
No Known Exploits
Remediation
Patch Available

Description

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."

CVSS Vector Breakdown

AV:LAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:LAttack Vector
Local
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-94

Affected Products

n/an/a
officemicrosoft
Desktop App
Consumer Software / productivity
office compatibility packmicrosoft
On-premDesktop App
Consumer Software / productivity
office excel viewermicrosoft
On-premDesktop App
Consumer Software / productivity
office sharepoint servermicrosoft
On-premWeb App
Enterprise Software / itsm-monitoring
microsoftcommercialUSOperating Systems
and 1 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Jun 8, 2022
Remediation due:Jun 22, 2022

Required action: Apply updates per vendor instructions.

Official Patch Available
No detection template yetWe can run the check for you — a free external exposure review, no install. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

http://www.vupen.com/english/advisories/2009/1540
vupen.com
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5564
oval.cisecurity.org
http://www.securitytracker.com/id?1022351
securitytracker.com
and 5 more references View all →

Timeline

Published
Jun 10, 2009
Added to CISA KEV
Jun 8, 2022
Last Updated
Apr 22, 2026

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