CVE-2017-11826 Microsoft Office Remote Code Execution
Remote attackers can execute arbitrary code by exploiting improper memory handling in Microsoft Office and related server components.
- Exploited in the wild
- Since 3 Mar 2022
- 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-2017-11826?
CVE-2017-11826 is a high-severity memory corruption vulnerability in Microsoft Office Compatibility Pack, published on 13 Oct 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 Office 2010, SharePoint Enterprise Server 2010, SharePoint Server 2010, Web Applications, Office Web Apps Server 2010 and 2013, Word Viewer, Word 2007, 2010, 2013 and 2016, Word Automation Services, and Office Online Server allow remote code execution when the software fails to properly handle objects in memory.
Weakness: CWE-119
Which versions are affected by CVE-2017-11826?
It affects 7 products.
Products include Microsoft Office Compatibility Pack, Microsoft Office Online Server, Microsoft Office Web Apps Server, Microsoft Office Word Viewer, Microsoft Sharepoint Enterprise Server, Microsoft Sharepoint Server and 1 more.
How do I fix CVE-2017-11826?
No fix has been published for CVE-2017-11826 yet. Limit exposure of the affected software until one is available. US federal agencies must fix it by 24 Mar 2022.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2017-11826 being exploited?
Yes. Attackers have exploited CVE-2017-11826 in the wild since at least 3 Mar 2022.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in Microsoft Office Compatibility Pack
Sources
Also known as GHSA-4qcg-gx82-4h36.