CVE-2006-3014

Microsoft Excel allows user-assisted attackers to execute arbitrary javascript and redirect users to arbitrary sites via an Excel spreadsheet with an embedded Shockwave Flash Player ActiveX Object, which is automatically executed when the user opens the spreadsheet.

What this means for your business

It affects Microsoft Excel. It matters if your company, or a supplier that handles your data, runs it.
Code showing how to exploit it has been published, but real attacks have not been confirmed.
An attacker can use it remotely, over a network.
FIRST's prediction model gives it a 30% chance of attack attempts being seen in the next 30 days, ranking above 98% of all known flaws.

What to do

1Check whether your company or your suppliers run Microsoft Excel, and which version. The affected versions are listed further down this page.
2If you do, apply the vendor's fix. A patch or vendor advisory has been published.

Not sure if your company is exposed?

Fastnexa’s certified penetration testers can check whether attackers could use this flaw, or others like it, against your websites, apps and network. The full test is free for our first 10 founding clients until 31 December 2026.

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Scoring

CVSS: 5.1 (v2.0)
Vector: AV:N/AC:H/Au:N/C:P/I:P/A:P
Weakness: CWE-20
Assigned by: cve@mitre.org

Dates

Published: 2006-06-22
Last modified: 2026-09-23
Sources: NVD

Affected products

Microsoft Excelall versions

As listed in the NVD configuration data. Not a statement about your estate.