CVE-2026-23666

HIGH

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

CVSS v3.1 Score

7.5
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Published: 4/14/2026Modified: 7/15/2026

Related Intelligence (0)

No articles currently reference this CVE.

References (4)

https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-23666Vendor Advisoryhttps://access.redhat.com/security/cve/CVE-2026-23666https://bugzilla.redhat.com/show_bug.cgi?id=2458271https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-23666.json