CVE-2020-0855 Memory corruption in Microsoft Office
Remote code execution in Microsoft Word due to improper memory handling, allowing attackers to execute arbitrary code via malicious documents.
- 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-2020-0855?
CVE-2020-0855 is a high-severity memory corruption vulnerability in Microsoft Office, published on 12 Mar 2020. 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'. This CVE ID is unique from CVE-2020-0850, CVE-2020-0851, CVE-2020-0852, CVE-2020-0892.
Which versions are affected by CVE-2020-0855?
It affects 2 products.
Products include Microsoft Office, Microsoft Office 365 Proplus.
How do I fix CVE-2020-0855?
No fix has been published for CVE-2020-0855 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-2020-0855 being exploited?
There is no known exploitation of CVE-2020-0855 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Office
Sources
Also known as GHSA-p9gq-93jr-6g2g.