CVE-2014-6357 Use after free in n/a

What is CVE-2014-6357?

CVE-2014-6357 is a critical use after free vulnerability in Microsoft Office, published on 11 Dec 2014. 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

Use-after-free vulnerability in Microsoft Office 2010 SP2, Office 2013 Gold and SP1, Office 2013 RT Gold and SP1, Office for Mac 2011, Word Viewer, Office Compatibility Pack SP3, Word Automation Services on SharePoint Server 2010 SP2 and 2013 Gold and SP1, and Office Web Apps 2010 SP2 and 2013 Gold and SP1 allows remote attackers to execute arbitrary code via a crafted Office document, aka "Use After Free Word Remote Code Execution Vulnerability."

Which versions are affected by CVE-2014-6357?

It affects 5 products.

Products include Microsoft Office, Microsoft Office Compatibility Pack, Microsoft Sharepoint Server, Microsoft Web Applications, Microsoft Word Viewer.

How do I fix CVE-2014-6357?

No fix has been published for CVE-2014-6357 yet. Limit exposure of the affected software until one is available.

Upgrade to the fixed version. These bugs are found with fuzzing and sanitisers and avoided by memory-safe languages. More about Use after free.

Is CVE-2014-6357 being exploited?

There is no known exploitation of CVE-2014-6357 in the wild and no public exploit code.

Other vulnerabilities in Microsoft Office

• CVE-2018-0798 Microsoft Office Memory Corruption Exploited High 8.8
• CVE-2015-1770 Microsoft Office Uninitialized Memory Use Exploited High 8.8
• CVE-2006-2492 Microsoft Word Malformed Object Pointer Exploited High 8.8
• CVE-2018-0802 Microsoft Office Memory Corruption Exploited High 7.8
• CVE-2017-11882 Microsoft Office Memory Corruption Exploited High 7.8

All Microsoft Office vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-4jff-mgjj-jxr8.