CVE-2020-1066 .NET Framework Elevation of Privilege Vulnerability
A local attacker can elevate privileges by running a malicious program that exploits how .NET Framework activates COM objects.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-1066?
CVE-2020-1066 is a high-severity vulnerability in Microsoft .Net Framework, published on 21 May 2020. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
An elevation of privilege vulnerability exists in .NET Framework which could allow an attacker to elevate their privilege level. To exploit the vulnerability, an attacker would first have to access the local machine, and then run a malicious program. The update addresses the vulnerability by correcting how .NET Framework activates COM objects.
Which versions are affected by CVE-2020-1066?
It affects 1 product.
Products include Microsoft .Net Framework.
How do I fix CVE-2020-1066?
No fix has been published for CVE-2020-1066 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-1066 being exploited?
There is no known exploitation of CVE-2020-1066 in the wild and no public exploit code.
Public exploit code: 2 proofs of concept on GitHub.
Other vulnerabilities in Microsoft .Net Framework
Sources
Also known as GHSA-jp98-j3r8-w99v.