CVEvulnerability
CVE-2020-1066
7.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2020-05-21
- Last modified
- 2026-08-19
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 7.8 HIGH — CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 4.6 MEDIUM — AV:L/AC:L/Au:N/C:P/I:P/A:P
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.
Affected configurations
• microsoft .net framework 3.0
• microsoft .net framework 3.5.1
References
- https://msrc.microsoft.com/update-guide/vulnerability/CVE-2020-1066 msrc.microsoft.com
- https://portal.msrc.microsoft.com/en-US/security-guidance/advisory/CVE-2020-1066 Patch, Vendor Advisory