CVE-2026-69304: medium-severity vulnerability in Microsoft ASP.NET Core 10.0
ASP.NET Core Denial of Service Vulnerability
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
13Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 5.9epss 0.9%
Improper handling of highly compressed data (data amplification) in ASP.NET Core allows an unauthorized attacker to deny service over a network.
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
Affected products
Microsoft · ASP.NET Core 10.0Microsoft · ASP.NET Core 11.0Microsoft · ASP.NET Core 8.0Microsoft · ASP.NET Core 9.0Microsoft · Microsoft Visual Studio 2022 version 17.14Microsoft · Microsoft Visual Studio 2026 version 18.9Microsoft · .NET 10.0 runtimeMicrosoft · .NET 8.0 runtimeMicrosoft · .NET 9.0 runtimeRelated CVEs — Microsoft ASP.NET Core 10.0
In the same product, most dangerous first.
CVE-2025-55315CRITICALASP.NET Security Feature Bypass VulnerabilityEPSS 67.2%CVE-2026-40372CRITICALASP.NET Core Elevation of Privilege VulnerabilityEPSS 11.2%CVE-2026-26130HIGHASP.NET Core Denial of Service VulnerabilityEPSS 3.2%CVE-2023-36038HIGHASP.NET Core Denial of Service VulnerabilityEPSS 2.8%CVE-2026-45591HIGHASP.NET Core Denial of Service VulnerabilityEPSS 2.5%CVE-2024-21386HIGH.NET Denial of Service VulnerabilityEPSS 2.4%