CVE-2018-8427 Information disclosure in Microsoft Excel Viewer
An attacker can exploit memory handling flaws in Microsoft Graphics Components to disclose sensitive information via Office applications.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2018-8427?
CVE-2018-8427 is a medium-severity vulnerability in Microsoft Excel Viewer, published on 10 Oct 2018. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An information disclosure vulnerability exists in the way that Microsoft Graphics Components handle objects in memory, aka "Microsoft Graphics Components Information Disclosure Vulnerability." This affects Microsoft Office, Microsoft Office Word Viewer, Office 365 ProPlus, Windows Server 2008, Microsoft PowerPoint Viewer, Microsoft Excel Viewer.
Weakness: CWE-200
Which versions are affected by CVE-2018-8427?
It affects 7 products.
Products include Microsoft Excel Viewer, Microsoft Office, Microsoft Office 365 Proplus, Microsoft Office Compatibility Pack, Microsoft Office Word Viewer, Microsoft Powerpoint Viewer and 1 more.
How do I fix CVE-2018-8427?
No fix has been published for CVE-2018-8427 yet. Limit exposure of the affected software until one is available.
Is CVE-2018-8427 being exploited?
There is no known exploitation of CVE-2018-8427 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Excel Viewer
Sources
Also known as GHSA-ch57-57p3-fhm7.