CVE-2017-8696 Memory corruption in n/a

High 7.5 Published Updated

Remote attackers can execute arbitrary code via crafted websites or documents exploiting a memory corruption flaw in Windows Uniscribe.

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-2017-8696?

CVE-2017-8696 is a high-severity memory corruption vulnerability in Microsoft Office Web Apps, published on 13 Sep 2017. 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

Windows Uniscribe in Microsoft Windows Server 2008 SP2 and R2 SP1; Windows 7 SP1; Office 2007 SP3; Office 2010 SP2; Word Viewer; Office for Mac 2011 and 2016; Skype for Business 2016; Lync 2013 SP1; Lync 2010; Lync 2010 Attendee; and Live Meeting 2007 Add-in and Console allows an attacker to execute code remotely via a specially crafted website or a specially crafted document or email attachment, aka "Microsoft Graphics Component Remote Code Execution."

Weakness: CWE-119

Which versions are affected by CVE-2017-8696?

It affects 9 products.

Products include Microsoft Live Meeting, Microsoft Lync, Microsoft Office 2007, Microsoft Office 2010, Microsoft Office Web Apps, Microsoft Office Word Viewer and 3 more.

How do I fix CVE-2017-8696?

No fix has been published for CVE-2017-8696 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-2017-8696 being exploited?

There is no known exploitation of CVE-2017-8696 in the wild and no public exploit code.

All Microsoft Office Web Apps vulnerabilities

Sources

Also known as GHSA-jf8w-75qw-9pq5.

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