CVE-2008-4266 Memory corruption in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code by tricking users into opening a malicious Excel spreadsheet with invalid index values causing stack corruption.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2008-4266?

CVE-2008-4266 is a critical memory corruption vulnerability in Microsoft Excel, published on 10 Dec 2008. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Array index vulnerability in Microsoft Office Excel 2000 SP3, 2002 SP3, and 2003 SP3; Excel Viewer 2003 Gold and SP3; Office 2004 and 2008 for Mac; and Open XML File Format Converter for Mac allow remote attackers to execute arbitrary code via an Excel spreadsheet with a NAME record that contains an invalid index value, which triggers stack corruption, aka "Excel Global Array Memory Corruption Vulnerability."

Weakness: CWE-399

Which versions are affected by CVE-2008-4266?

It affects 4 products.

Products include Microsoft Excel, Microsoft Excel Viewer, Microsoft Office, Microsoft Open Xml File Format Converter.

How do I fix CVE-2008-4266?

No fix has been published for CVE-2008-4266 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.

Is CVE-2008-4266 being exploited?

There is no known exploitation of CVE-2008-4266 in the wild and no public exploit code.

All Microsoft Excel vulnerabilities

Sources

Also known as GHSA-xg67-p862-jx9m.

Is CVE-2008-4266 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free