CVE-2017-8632 Memory corruption in Microsoft Office
Remote 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-2017-8632?
CVE-2017-8632 is a high-severity memory corruption vulnerability in Microsoft Excel, 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 Excel 2010 Service Pack 2, Microsoft Excel 2013 Service Pack 1, Microsoft Excel 2013 RT Service Pack 1, Microsoft Excel 2016, Microsoft Office Web Apps 2013, Microsoft Excel for Mac 2011, Microsoft Excel 2016 for Mac, and Microsoft Office Compatibility Pack Service Pack 3, when they fail to properly handle objects in memory, aka "Microsoft Office Memory Corruption Vulnerability". This CVE ID is unique from CVE-2017-8630, CVE-2017-8631, and CVE-2017-8744.
Weakness: CWE-119
Which versions are affected by CVE-2017-8632?
It affects 4 products.
Products include Microsoft Excel, Microsoft Excel for Mac, Microsoft Office Compatibility Pack, Microsoft Office Web Apps.
How do I fix CVE-2017-8632?
No fix has been published for CVE-2017-8632 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-2017-8632 being exploited?
There is no known exploitation of CVE-2017-8632 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Excel
Sources
Also known as GHSA-27j6-vgrr-h838.