CVE-2016-3358 Memory corruption in n/a

High 7.8 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
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-2016-3358?

CVE-2016-3358 is a high-severity memory corruption vulnerability in Microsoft Excel, published on 14 Sep 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, Excel 2013 SP1, Excel 2013 RT SP1, Excel 2016, Excel 2016 for Mac, Office Compatibility Pack SP3, Excel Viewer, Excel Services on SharePoint Server 2007 SP3, Excel Services on SharePoint Server 2010 SP2, Excel Automation Services on SharePoint Server 2013 SP1, and Office Online Server allow remote attackers to execute arbitrary code via a crafted document, aka "Microsoft Office Memory Corruption Vulnerability."

Weakness: CWE-119

Which versions are affected by CVE-2016-3358?

It affects 6 products.

Products include Microsoft Excel, Microsoft Excel for Mac, Microsoft Excel Viewer, Microsoft Office Compatibility Pack, Microsoft Office Online Server, Microsoft Sharepoint Designer.

How do I fix CVE-2016-3358?

No fix has been published for CVE-2016-3358 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-2016-3358 being exploited?

There is no known exploitation of CVE-2016-3358 in the wild and no public exploit code.

All Microsoft Excel vulnerabilities

Sources

Also known as GHSA-87pf-j2gx-jjvx.

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