CVE-2020-1066
HIGH EXPLOITED RANSOMWARE.NET Framework - Privilege Escalation
Title source: llmDescription
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., aka '.NET Framework Elevation of Privilege Vulnerability'.
Exploits (4)
Scores
CVSS v3
7.8
EPSS
0.2970
EPSS Percentile
96.6%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Details
VulnCheck KEV
2025-12-08
Ransomware Use
Confirmed
Status
published
Products (2)
microsoft/.net_framework
3.0 sp2
microsoft/.net_framework
3.5.1
Published
May 21, 2020
Tracked Since
Feb 18, 2026