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Fencer Vulns
critical 9.3

CVE-2009-3130 in the critical feed json

Heap-based buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac all…

published 2009-11-11 16 y ago modified 2026-06-16 4 mo ago also EUVD-2009-3113

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
28.9%
EPSS 28.9% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Heap-based buffer overflow in Microsoft Office Excel 2002 SP3, Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac allows remote attackers to execute arbitrary code via a spreadsheet containing a malformed Binary File Format (aka BIFF) record that triggers memory corruption, aka "Excel Document Parsing Heap Overflow Vulnerability."

Exploit prediction

28.93% chance of exploitation in the next 30 days, higher than 98% 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-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

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.