CVE-2009-3127 Memory corruption in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code by tricking users into opening a crafted Excel spreadsheet due to improper file format parsing.

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-2009-3127?

CVE-2009-3127 is a critical memory corruption vulnerability in Microsoft Excel, published on 11 Nov 2009. 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

Microsoft Office Excel 2002 SP3 and 2003 SP3, Office 2004 and 2008 for Mac, Open XML File Format Converter for Mac, and Office Excel Viewer 2003 SP3 do not properly parse the Excel file format, which allows remote attackers to execute arbitrary code via a crafted spreadsheet, aka "Excel Cache Memory Corruption Vulnerability."

Weakness: CWE-94

Which versions are affected by CVE-2009-3127?

It affects 5 products.

Products include Microsoft Compatibility Pack Word Excel Powerpoint, Microsoft Excel, Microsoft Excel Viewer, Microsoft Office, Microsoft Open Xml File Format Converter.

How do I fix CVE-2009-3127?

No fix has been published for CVE-2009-3127 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-2009-3127 being exploited?

There is no known exploitation of CVE-2009-3127 in the wild and no public exploit code.

All Microsoft Excel vulnerabilities

Sources

Also known as GHSA-mvcm-4jxr-w697.

Is CVE-2009-3127 in your software?

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

Check your SBOMs for free