CVE-2011-3403 Memory corruption in n/a
Remote attackers can execute arbitrary code by tricking users into opening a crafted Excel spreadsheet due to improper memory handling.
- 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-2011-3403?
CVE-2011-3403 is a critical memory corruption vulnerability in Microsoft Excel, published on 14 Dec 2011. 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 Excel 2003 SP3 and Office 2004 for Mac do not properly handle objects in memory, which allows remote attackers to execute arbitrary code via a crafted Excel spreadsheet, aka "Record Memory Corruption Vulnerability."
Weakness: CWE-94
Which versions are affected by CVE-2011-3403?
It affects 2 products.
Products include Microsoft Excel, Microsoft Office.
How do I fix CVE-2011-3403?
No fix has been published for CVE-2011-3403 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-2011-3403 being exploited?
There is no known exploitation of CVE-2011-3403 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Excel
Sources
Also known as GHSA-8xg9-6pv8-gp58.