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5.1

Excel and Works may run code from crafted spreadsheet

CVE-2006-2387 · published 20 years ago
Summary

This problem affects older Microsoft Excel versions (2000‑2004, Mac), Excel Viewer 2003 and Microsoft Works 2004‑2006. When a user opens a specially‑made spreadsheet file, the program could be tricked into running unwanted code. Install any available updates and do not open spreadsheet files from unknown sources.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
microsoft office 2000
2001
2003
2004
v.x
cpe:2.3:a:microsoft:office:2000:*:*:*:*:*:*:*
Original advisory text
Unspecified vulnerability in Microsoft Excel 2000, 2002, 2003, 2004 for Mac, v.X for Mac, Excel Viewer 2003, and Microsoft Works Suite 2004 through 2006 allows user-assisted attackers to execute ar...
Unspecified vulnerability in Microsoft Excel 2000, 2002, 2003, 2004 for Mac, v.X for Mac, Excel Viewer 2003, and Microsoft Works Suite 2004 through 2006 allows user-assisted attackers to execute arbitrary code via a crafted DATETIME record in an XLS file, a different vulnerability than CVE-2006-3867 and CVE-2006-3875.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
5.1 Medium
Exploitation
13% chance of attack within 30 days
Timeline
Published10 Oct 2006
Updated19 Oct 2026
First seen29 Sep 2026
Sources
CVE-2006-2387 · NVD
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