CVE-2017-8742 Memory corruption in Microsoft Office
Attackers can execute arbitrary code by exploiting a memory handling flaw in Microsoft PowerPoint and related Office components.
- 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-2017-8742?
CVE-2017-8742 is a high-severity memory corruption vulnerability in Microsoft Office Compatibility Pack, published on 13 Sep 2017. 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
A remote code execution vulnerability exists in Microsoft PowerPoint 2007 Service Pack 3, Microsoft PowerPoint 2010 Service Pack 2, Microsoft PowerPoint 2013 Service Pack 1, Microsoft PowerPoint 2013 RT Service Pack 1, Microsoft PowerPoint 2016, Microsoft PowerPoint Viewer 2007, Microsoft SharePoint Server 2013 Service Pack 1, Microsoft SharePoint Enterprise Server 2016, Microsoft Office Web Apps 2010 Service Pack 2, and Microsoft Office Compatibility Pack Service Pack 3 when they fail to properly handle objects in memory, aka "PowerPoint Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8743.
Weakness: CWE-119
Which versions are affected by CVE-2017-8742?
It affects 7 products.
Products include Microsoft Office Compatibility Pack, Microsoft Office Web Apps, Microsoft Office Web Apps Server, Microsoft Powerpoint, Microsoft Powerpoint Viewer, Microsoft Sharepoint Enterprise Server and 1 more.
How do I fix CVE-2017-8742?
No fix has been published for CVE-2017-8742 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-2017-8742 being exploited?
There is no known exploitation of CVE-2017-8742 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Office Compatibility Pack
Sources
Also known as GHSA-x9cj-35rq-fj52.