CVE-2009-0557 Microsoft Office Object Record Corruption
Remote attackers can execute arbitrary code by tricking users into opening a crafted Excel file with a malformed record object.
- Exploited in the wild
- Since 8 Jun 2022
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2009-0557?
CVE-2009-0557 is a high-severity code injection vulnerability in Microsoft Office, published on 10 Jun 2009. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Excel in Microsoft Office 2000 SP3, Office XP SP3, Office 2003 SP3, and Office 2004 and 2008 for Mac; Excel in 2007 Microsoft Office System SP1 and SP2; Open XML File Format Converter for Mac; Microsoft Office Excel Viewer 2003 SP3; Microsoft Office Excel Viewer; and Microsoft Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP1 and SP2 allow remote attackers to execute arbitrary code via a crafted Excel file with a malformed record object, aka "Object Record Corruption Vulnerability."
Weakness: CWE-94
Which versions are affected by CVE-2009-0557?
It affects 5 products.
Products include Microsoft Office, Microsoft Office Compatibility Pack, Microsoft Office Excel Viewer, Microsoft Office Sharepoint Server, Microsoft Open Xml File Format Converter.
How do I fix CVE-2009-0557?
No fix has been published for CVE-2009-0557 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 22 Jun 2022.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2009-0557 being exploited?
Yes. Attackers have exploited CVE-2009-0557 in the wild since at least 8 Jun 2022.
Other vulnerabilities in Microsoft Office
Sources
Also known as GHSA-fmc6-x6ww-78h8.