CVE-2009-3131

Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003…

published November 11, 2009

CVSS
—
EPSS
25%
Percentile
97.9
In the wild
Unconfirmed
What it is

⚠️ A sneaky formula in your Excel spreadsheet could unleash chaos! Attackers could execute arbitrary code just by crafting the right formula — it's like a recipe being switched at the last moment! Think of it like a restaurant where the chef is following a recipe, but someone sneaks in a note that says to use poison instead of salt. Everything looks fine until one wrong ingredient causes a disastrous meal! If exploited, this vulnerability could allow an attacker to take over the system, run malicious code, and access sensitive information. It could lead to data breaches or a complete system compromise — absolutely devastating!

Put simply

Think of it like a restaurant where the chef is following a recipe, but someone sneaks in a note that says to use poison instead of salt. Everything looks fine until one wrong ingredient causes a disastrous meal! This vulnerability resides in Microsoft Excel, where a crafted formula can lead to memory corruption, allowing attackers to execute arbitrary code. It affects various versions including Excel 2002, 2003, and 2007, as well as several Mac Office variants.

What to do

If exploited, this vulnerability could allow an attacker to take over the system, run malicious code, and access sensitive information. It could lead to data breaches or a complete system compromise — absolutely devastating! To mitigate this risk, ensure all Microsoft Office applications are updated to the latest versions. Consider disabling macros in Excel, as they can often be a vector for such attacks. Regularly educate users about the dangers of unknown spreadsheet files and their contents. You've got this! Stay vigilant and follow these steps to protect your data! 🛡️

The record
Technical detail
CVSS
Not scored
CVSS v4.0
Not supplied
EPSS
0.24879 · 97.9th percentile
Published
2009-11-11T20:00Z
EPSS history
Timeline
  • 11 NOV 20:00Z
    Microsoft Office Excel 2002 SP3, 2003 SP3, and 2007 SP1 and SP2; Office 2004 and 2008 for Mac; Open XML File Format Converter for Mac; Office Excel Viewer 2003…
    cvelistv5