Critical (9.8) in Microsoft .NET Framework. In CISA KEV since 2021-11-03. EPSS 99% chance of exploitation in the next 30 days.
A remote code execution vulnerability exists when the Microsoft .NET Framework fails to validate input properly, aka '.NET Framework Remote Code Execution Injection Vulnerability'.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
99% chance of exploitation in the next 30 days; higher than 99% of CVEs (scores of 2026-10-31)