CVE-2018-8245 Code injection in Microsoft Publisher

High 7.8 Published 14 Jun 2018 Updated 5 Aug 2024

Attackers can execute arbitrary code by exploiting improper OLE object instantiation in Microsoft Publisher, requiring user interaction to open a malicious file.

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-2018-8245?

CVE-2018-8245 is a high-severity code injection vulnerability in Microsoft Publisher, published on 14 Jun 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 when Microsoft Publisher fails to utilize features that lock down the Local Machine zone when instantiating OLE objects, aka "Microsoft Publisher Remote Code Execution Vulnerability." This affects Microsoft Publisher.

Which versions are affected by CVE-2018-8245?

It affects 1 product.

Products include Microsoft Publisher.

How do I fix CVE-2018-8245?

No fix has been published for CVE-2018-8245 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2018-8245 being exploited?

There is no known exploitation of CVE-2018-8245 in the wild and no public exploit code.

Sources

Also known as GHSA-v2hp-7464-6hp5.