Skip to content
Fencer Vulns
critical 9.3

CVE-2009-0558 in the critical feed json

Array index error in Excel in Microsoft Office 2000 SP3 and Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac, allow…

published 2009-06-10 17 y ago modified 2026-06-16 4 mo ago also EUVD-2009-0562

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
31.1%
EPSS 31.1% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Array index error in Excel in Microsoft Office 2000 SP3 and Office 2004 and 2008 for Mac, and Open XML File Format Converter for Mac, allows remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "Array Indexing Memory Corruption Vulnerability."

Exploit prediction

31.07% 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-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.