CVE-2016-3233 Memory corruption in n/a

High 7.3 Published Updated

Remote attackers can execute arbitrary code by tricking users into opening a crafted Microsoft Excel document.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Local or same network only
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2016-3233?

CVE-2016-3233 is a high-severity memory corruption vulnerability in Microsoft Excel, published on 16 Jun 2016. 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

Microsoft Excel 2007 SP3, Excel 2010 SP2, and Office Compatibility Pack SP3 allow remote attackers to execute arbitrary code via a crafted Office document, aka "Microsoft Office Memory Corruption Vulnerability."

Weakness: CWE-119

Which versions are affected by CVE-2016-3233?

It affects 2 products.

Products include Microsoft Excel, Microsoft Office Compatibility Pack.

How do I fix CVE-2016-3233?

No fix has been published for CVE-2016-3233 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-2016-3233 being exploited?

There is no known exploitation of CVE-2016-3233 in the wild and no public exploit code.

All Microsoft Excel vulnerabilities

Sources

Also known as GHSA-3jhw-x2w4-9xvv.

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