CVE-2017-8509 Memory corruption in Microsoft Office
Remote attackers can execute arbitrary code by exploiting improper memory handling in Microsoft Office applications.
- 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-2017-8509?
CVE-2017-8509 is a high-severity memory corruption vulnerability in Microsoft Office, published on 15 Jun 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
A remote code execution vulnerability exists in Microsoft Office when the software fails to properly handle objects in memory, aka "Office Remote Code Execution Vulnerability". This CVE ID is unique from CVE-2017-8510, CVE-2017-8511, CVE-2017-8512, CVE-2017-0260, and CVE-2017-8506.
Which versions are affected by CVE-2017-8509?
It affects 8 products.
Products include Microsoft Office, Microsoft Office Compatibility Pack, Microsoft Office Web Apps, Microsoft Office Web Apps Server, Microsoft Onenote, Microsoft Sharepoint Server and 2 more.
How do I fix CVE-2017-8509?
No fix has been published for CVE-2017-8509 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-2017-8509 being exploited?
There is no known exploitation of CVE-2017-8509 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Office
Sources
Also known as GHSA-7q45-gm3c-7wcj.