CVE-2017-11878 Memory corruption in Microsoft Office
Attackers can execute arbitrary code by exploiting a memory corruption flaw in Microsoft Excel when handling objects.
- 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-2017-11878?
CVE-2017-11878 is a high-severity memory corruption vulnerability in Microsoft Excel, published on 15 Nov 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
Microsoft Excel 2007 Service Pack 3, Microsoft Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2016, Microsoft Office Compatibility Pack Service Pack 3, and Microsoft Excel Viewer 2007 Service Pack 3 allow an attacker to run arbitrary code in the context of the current user by failing to properly handle objects in memory, aka "Microsoft Excel Memory Corruption Vulnerability".
Weakness: CWE-119
Which versions are affected by CVE-2017-11878?
It affects 3 products.
Products include Microsoft Excel, Microsoft Excel Viewer, Microsoft Office Compatibility Pack.
How do I fix CVE-2017-11878?
No fix has been published for CVE-2017-11878 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-2017-11878 being exploited?
There is no known exploitation of CVE-2017-11878 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Excel
Sources
Also known as GHSA-q2c7-rf7r-47cc.