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CVE-2010-0263

HIGH · CVSS 9.3EPSS 25.7%EU EUVD

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."

Key facts

CVSS score
9.3 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness (CWE)
CWE-94
EPSS score
25.7% (98th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2010-0294)
Published
March 10, 2010
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2010-0294 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • microsoft / excel
  • microsoft / excel
  • microsoft / excel
  • microsoft / excel
  • microsoft / office
  • microsoft / office
  • microsoft / office compatibility pack
  • microsoft / office compatibility pack
  • microsoft / office excel viewer
  • microsoft / office excel viewer
  • microsoft / office sharepoint server
  • microsoft / office sharepoint server
  • microsoft / office sharepoint server
  • microsoft / office sharepoint server
  • microsoft / open xml file format converter

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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