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CVE-2026-23666

HIGH CVSS 3.1: 7.5
Updated Apr 17, 2026
Parameter Value
CVSS 7.5 (HIGH)
Type CWE-755 (Improper Handling of Exceptional Conditions)
Public PoC No

Improper input validation in .NET Framework allows an unauthorized attacker to deny service over a network.

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Privileges Required
None
No privileges needed
User Interaction
None
No user interaction needed

Impact Assessment

Confidentiality
None
No data leak
Integrity
None
No data modification
Availability
High
Complete denial of service

CVSS Vector v3.1