CVE-2026-69304 MEDIUM

CVE-2026-69304: ASP.NET Core Denial of Service Vulnerability

Vendor Microsoft
Product .NET 10.0
Weakness CWE-409
Published September 8, 2026
Last update September 29, 2026
View on NVD All CVEs

CVSS base score

5.9/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality None
Integrity None

CVSS vector

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

What the vulnerability does

01Description

Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.

Key dates

02Disclosure timeline

September 8, 2026 CVE published
September 29, 2026 Record updated