CVE-2020-17066 Microsoft Excel Remote Code Execution Vulnerability
An attacker can execute arbitrary code by tricking a user into opening a specially crafted Microsoft Excel 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-2020-17066?
CVE-2020-17066 is a high-severity memory corruption vulnerability in Microsoft Excel, published on 11 Nov 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
Microsoft Excel Remote Code Execution Vulnerability
Which versions are affected by CVE-2020-17066?
It affects 1 product.
Products include Microsoft Excel.
How do I fix CVE-2020-17066?
No fix has been published for CVE-2020-17066 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-2020-17066 being exploited?
There is no known exploitation of CVE-2020-17066 in the wild and no public exploit code.
Other vulnerabilities in Microsoft Excel
Sources
Also known as GHSA-c257-95qj-mq44.