CVE-2019-0953 Memory corruption in Microsoft Office

High 7.8 Published Updated

Attackers can execute arbitrary code by exploiting improper memory handling in Microsoft Word.

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-2019-0953?

CVE-2019-0953 is a high-severity memory corruption vulnerability in Microsoft Office, published on 16 May 2019. 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 Word software when it fails to properly handle objects in memory, aka 'Microsoft Word Remote Code Execution Vulnerability'.

Which versions are affected by CVE-2019-0953?

It affects 4 products.

Products include Microsoft Office, Microsoft Office 365 Proplus, Microsoft Office Online Server, Microsoft Word.

How do I fix CVE-2019-0953?

No fix has been published for CVE-2019-0953 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-2019-0953 being exploited?

There is no known exploitation of CVE-2019-0953 in the wild and no public exploit code.

All Microsoft Office vulnerabilities

Sources

Also known as GHSA-2mvp-m6qc-j5h8.

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