CVE-2007-1203 Memory corruption in n/a

Critical 9.3 Published Updated

Remote attackers can execute arbitrary code by tricking users into opening a crafted Excel file with a malicious font value.

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-2007-1203?

CVE-2007-1203 is a critical memory corruption vulnerability in Microsoft Excel, published on 8 May 2007. 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

Unspecified vulnerability in Microsoft Excel 2000 SP3, 2002 SP3, 2003 SP2, 2003 Viewer, 2004 for Mac, and 2007 allows user-assisted remote attackers to execute arbitrary code via a crafted set font value in an Excel file, which results in memory corruption.

Which versions are affected by CVE-2007-1203?

It affects 2 products.

Products include Microsoft Excel, Microsoft Excel Viewer.

How do I fix CVE-2007-1203?

No fix has been published for CVE-2007-1203 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-2007-1203 being exploited?

There is no known exploitation of CVE-2007-1203 in the wild and no public exploit code.

All Microsoft Excel vulnerabilities

Sources

Also known as GHSA-cf7v-v385-vwc8.

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