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CVE-2009-0238

Published: Feb 25, 2009Updated: Apr 22, 2026 Sources: CVE List NVD BDUCWE-94
8.8HIGH
NVD MITRE
EPSS Score
43.2%
Top 1.3%
CISA KEV
Active Exploitation
Since Apr 14, 2026
Exploits
No Known Exploits
Remediation
Patch Available
Self-Check
OpenVAS

Description

Microsoft Office Excel 2000 SP3, 2002 SP3, 2003 SP3, and 2007 SP1; Excel Viewer 2003 Gold and SP3; Excel Viewer; Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1; and Excel in Microsoft Office 2004 and 2008 for Mac allow remote attackers to execute arbitrary code via a crafted Excel document that triggers an access attempt on an invalid object, as exploited in the wild in February 2009 by Trojan.Mdropper.AC.

No summary for this CVE yet.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
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

Microsoft Corp
commercial·USaka microsoft, microsoft corporation
excelDesktop App
Consumer Software / productivity
excel viewerLibraryLibrary
OSS Libraries / generic-library
Microsoft Office 2003 Service Pack 3Desktop App
Consumer Software / productivity
office compatibility packOn-premDesktop App
Consumer Software / productivity
office excel viewerOn-premDesktop App
Consumer Software / productivity
Microsoft Excel ViewerOn-premDesktop App
Consumer Software / productivity
Microsoft Excel Viewer 2003 Service Pack 3On-prem
Operating Systems / windows
Microsoft Office XP Service Pack 3On-premDesktop App
Consumer Software / productivity
and 7 more affected products View all →

Exploitability

CISA Known Exploited Vulnerability
Added to KEV:Apr 14, 2026
Remediation due:Apr 28, 2026

Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

Official Patch Available
Is your org exposed to CVE-2009-0238?Request an assessment to establish which checks are appropriate for your systems. Check my exposure

Attack Graph

Products CVE Techniques Tactics

Click technique nodes for MITRE ATT&CK details · drag to pan · Ctrl/⌘ + scroll to zoom, or go fullscreen.

MITRE ATT&CK

2 techniques
Execution
Initial Access
View detailed technique mapping

References

http://blogs.zdnet.com/security/?p=2658
blogs.zdnet.com
http://isc.sans.org/diary.html?storyid=5923
isc.sans.org
http://securitytracker.com/id?1021744
securitytracker.com
and 12 more references View all →

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