CVE-2010-3240 Memory corruption in n/a
Remote attackers can execute arbitrary code by tricking users into opening a crafted Excel document due to improper record validation.
- 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-2010-3240?
CVE-2010-3240 is a critical memory corruption vulnerability in Microsoft Excel, published on 13 Oct 2010. 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 2002 SP3 and 2007 SP2; Excel Viewer SP2; and Office Compatibility Pack for Word, Excel, and PowerPoint 2007 File Formats SP2 do not properly validate record information, which allows remote attackers to execute arbitrary code via a crafted Excel document, aka "Real Time Data Array Record Vulnerability."
Weakness: CWE-20
Which versions are affected by CVE-2010-3240?
It affects 3 products.
Products include Microsoft Excel, Microsoft Excel Viewer, Microsoft Office Compatibility Pack.
How do I fix CVE-2010-3240?
No fix has been published for CVE-2010-3240 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-2010-3240 being exploited?
There is no known exploitation of CVE-2010-3240 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Excel
Sources
Also known as GHSA-r7ff-g3gq-6px6.