CVE-2018-8281 Memory corruption in Microsoft Excel Viewer

High 7.8 Published Updated

Attackers can execute arbitrary code by exploiting improper memory handling in Microsoft Office viewers and applications.

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-2018-8281?

CVE-2018-8281 is a high-severity memory corruption vulnerability in Microsoft Office, published on 11 Jul 2018. 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 Office software when the software fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution Vulnerability." This affects Microsoft Excel Viewer, Microsoft PowerPoint Viewer, Microsoft Office, Microsoft Office Word Viewer.

Which versions are affected by CVE-2018-8281?

It affects 4 products.

Products include Microsoft Office, Microsoft Office Compatibility Pack, Microsoft Office Powerpoint Viewer, Microsoft Office Word Viewer.

How do I fix CVE-2018-8281?

No fix has been published for CVE-2018-8281 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-2018-8281 being exploited?

There is no known exploitation of CVE-2018-8281 in the wild and no public exploit code.

All Microsoft Office vulnerabilities

Sources

Also known as GHSA-6wfr-mcgq-ph4v.

Is CVE-2018-8281 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free