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Fencer Vulns
critical 9.3

CVE-2009-3128 in the critical feed json

Microsoft Office Excel 2002 SP3 and 2003 SP3, and Office Excel Viewer 2003 SP3, does not properly parse the Excel file format, which allows…

published 2009-11-11 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3111

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
24.9%
EPSS 24.9% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

Microsoft Office Excel 2002 SP3 and 2003 SP3, and Office Excel Viewer 2003 SP3, does not properly parse the Excel file format, which allows remote attackers to execute arbitrary code via a spreadsheet with a malformed record object, aka "Excel SxView Memory Corruption Vulnerability."

Exploit prediction

24.88% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.