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Fencer Vulns
critical 9.3

CVE-2007-0028 in the critical feed json

Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which…

published 2007-01-09 19 y ago modified 2026-06-16 4 mo ago also EUVD-2007-0032

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
33.9%
EPSS 33.9% chance of exploitation in 30 days, percentile 98%
public exploits
0
none known

Summary

Microsoft Excel 2000, 2002, 2003, Viewer 2003, Office 2004 for Mac, and Office v.X for Mac does not properly handle certain opcodes, which allows user-assisted remote attackers to execute arbitrary code via a crafted XLS file, which results in an "Improper Memory Access Vulnerability." NOTE: an early disclosure of this issue used CVE-2006-3432, but only CVE-2007-0028 should be used.

Patch / fix

Exploit prediction

33.93% 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-20 Improper Input Validation

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.