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CVE-2010-0263

Published: Mar 10, 2010Updated: Apr 29, 2026 Sources: CVE List NVDCWE-94
NVD MITRE
9.3CVSSCRITICAL
EPSS Score
25.7%
Top 2.3%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
No Fix Available

Description

Microsoft Office Excel 2007 SP1 and SP2; Office 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer SP1 and SP2; Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2; and Office SharePoint Server 2007 SP1 and SP2 do not validate ZIP headers during decompression of Open XML (.XLSX) documents, which allows remote attackers to execute arbitrary code via a crafted document that triggers access to uninitialized memory locations, aka "Microsoft Office Excel XLSX File Parsing Code Execution Vulnerability."

CVSS Vector Breakdown

AV:NAC:MAu:NC:CI:CA:C
Exploitability
AV:NAccess Vector
Network
AC:MAccess Complexity
Medium
Au:NAuthentication
None
Impact
C:CConfidentiality
Complete
I:CIntegrity
Complete
A:CAvailability
Complete
Open in CVSS calculator →

Weaknesses

CWE-94

Affected Products

n/an/a
excelmicrosoft
Desktop App
Consumer Software / productivity
officemicrosoft
Desktop App
Consumer Software / productivity
office compatibility packmicrosoft
On-premDesktop App
Consumer Software / productivity
office excel viewermicrosoft
On-premDesktop App
Consumer Software / productivity
microsoftcommercialUSOperating Systems
and 2 more affected products View all →

Exploitability

No known exploits, KEV entries, or remediation guidance available for this vulnerability yet.
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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

https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8407
oval.cisecurity.org
https://docs.microsoft.com/en-us/security-updates/securitybulletins/2010/ms10-017
docs.microsoft.com
http://www.us-cert.gov/cas/techalerts/TA10-068A.html
us-cert.gov
and 3 more references View all →

Timeline

Published
Mar 10, 2010
Last Updated
Apr 29, 2026

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