CVE-2006-1306

What it is

Microsoft Excel 2000 through 2004 allows user-assisted attackers to execute arbitrary code via a .xls file with a crafted BIFF record with an attacker-controlled array index that is used for a function pointer, aka "Malformed OBJECT record Vulnerability."

At a glance

Exploitability

Can be exploited over the network without logging in. High risk of data exposure, data tampering, service disruption.

Exploit odds

9.2% chance of exploitation in the next 30 days (EPSS).

Fix

A patch, advisory or fixed version is referenced. Upgrade or apply it.

Timeline

1. 2006-07-13 21:05 UTC PublishedDisclosed publicly on CVE.org and NVD
2. 2026-06-16 22:22 UTC Last updatedMost recent change to the record

Why it ranks here

• Exploited in the wild: no, CISA does not list it.
• Exploit odds: 9.2% in the next 30 days (EPSS).
• Severity: 9.3 HIGH (CVSS).
• Fix: a patch or advisory is linked.

Details

Published

2006-07-13 21:05 UTC

Last modified

2026-06-16 22:22 UTC

Exploit probability

9.2% · EPSS, next 30 days

Weakness

CWE-94 · Code injection

Record status

Modified

Affected

• Microsoft Excel 2000
• Microsoft Excel 2002
• Microsoft Excel 2003
• Microsoft Excel 2004
• Microsoft Excel X
• Microsoft Excel Viewer 2003

Attack profile CVSS 2.0 · 9.3

Attack vector

Network

Complexity

Medium

Authentication

None

Confidentiality

Complete

Integrity

Complete

Availability

Complete

Is it in your code?

Hand this to your coding agent. It searches your project for the affected products and checks versions. Nothing leaves your machine.

Read https://cve-list.com/agent/cve/CVE-2006-1306.md and follow it. Check whether this project is affected by CVE-2006-1306. Read only. Don't change anything and don't upload my code. Tell me yes, no or not sure, with the file as proof.

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