CVE-2017-8567 Memory corruption in Microsoft Office

High 7.8 Published Updated

Remote code execution in Microsoft Excel for Mac 2011 due to improper memory object handling, 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-2017-8567?

CVE-2017-8567 is a high-severity memory corruption vulnerability in Microsoft Office, published on 13 Sep 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

A remote code execution vulnerability exists in Microsoft Excel for Mac 2011 when it fails to properly handle objects in memory, aka "Microsoft Office Remote Code Execution".

Weakness: CWE-119

Which versions are affected by CVE-2017-8567?

It affects 1 product.

Products include Microsoft Excel for Mac.

How do I fix CVE-2017-8567?

No fix has been published for CVE-2017-8567 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-2017-8567 being exploited?

There is no known exploitation of CVE-2017-8567 in the wild and no public exploit code.

Sources

Also known as GHSA-8jgp-gj7v-chvx.

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