CVE-2015-6040 Memory corruption in n/a

Critical 9.3 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
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2015-6040?

CVE-2015-6040 is a critical memory corruption vulnerability in Microsoft Excel, published on 9 Dec 2015. 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 2007 SP3, Excel 2010 SP2, Excel for Mac 2011, Excel 2016 for Mac, Office Compatibility Pack SP3, and Excel Viewer 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-2015-6040?

It affects 4 products.

Products include Microsoft Excel, Microsoft Excel for Mac, Microsoft Excel Viewer, Microsoft Office Compatibility Pack.

How do I fix CVE-2015-6040?

No fix has been published for CVE-2015-6040 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-2015-6040 being exploited?

There is no known exploitation of CVE-2015-6040 in the wild and no public exploit code.

All Microsoft Excel vulnerabilities

Sources

Also known as GHSA-vrqv-q52f-5hcq.

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