ASP.NET Core Denial of Service Vulnerability
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 7.5epss 2.5%
exploitation probability
2.5%top 17% of all CVEs
observed exploitation
nono source reports it
Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.
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
Affected products
Microsoft · ASP.NET Core 10.0Microsoft · ASP.NET Core 8.0Microsoft · ASP.NET Core 9.0Microsoft · Microsoft Visual Studio 2026 version 18.6Microsoft · .NET 10.0Microsoft · .NET 8.0Microsoft · .NET 9.0References
https://access.redhat.com/errata/RHSA-2026:17527https://access.redhat.com/errata/RHSA-2026:25110https://access.redhat.com/errata/RHSA-2026:25111https://access.redhat.com/errata/RHSA-2026:25112https://access.redhat.com/errata/RHSA-2026:25113https://access.redhat.com/errata/RHSA-2026:25114https://access.redhat.com/errata/RHSA-2026:25115https://access.redhat.com/errata/RHSA-2026:25220https://access.redhat.com/errata/RHSA-2026:25221https://access.redhat.com/errata/RHSA-2026:25222https://access.redhat.com/errata/RHSA-2026:26638https://access.redhat.com/errata/RHSA-2026:26994