CVE-2018-8176 Code injection in Microsoft Office

High 8.8 Published Updated

Attackers can execute arbitrary code by exploiting improper XML validation in Microsoft PowerPoint, requiring user interaction to open a malicious file.

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-2018-8176?

CVE-2018-8176 is a high-severity code injection vulnerability in Microsoft Office, published on 23 May 2018. 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 PowerPoint software when the software fails to properly validate XML content, aka "Microsoft PowerPoint Remote Code Execution Vulnerability." This affects Microsoft Office.

Weakness: CWE-20

Which versions are affected by CVE-2018-8176?

It affects 1 product.

Products include Microsoft Office for Mac.

How do I fix CVE-2018-8176?

No fix has been published for CVE-2018-8176 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-2018-8176 being exploited?

There is no known exploitation of CVE-2018-8176 in the wild and no public exploit code.

Sources

Also known as GHSA-j39f-3w23-66c2.

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