CVE-2026-26171 HIGH

CVE-2026-26171: .NET Denial of Service Vulnerability

Vendor Microsoft
Product .NET 10.0
Weakness CWE-400
Published April 14, 2026
Last update June 30, 2026

CVSS base score

7.5/10
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C

What the vulnerability does

01Description

Uncontrolled resource consumption in .NET allows an unauthorized attacker to deny service over a network.

Key dates

02Disclosure timeline

April 14, 2026 CVE published
June 30, 2026 Record updated