CVE-2026-45591
ASP.NET Core Denial of Service Vulnerability
Vexday Risk Score
21Low
SSVC decision (CISA)
Track
No exploitation signal → monitor
CVSS 7.5EPSS 1.2%KEV nãoPoC —Nuclei —Metasploit —Patch referenciado
Lifecycle
09 Jun 2026Published on NVD
Recommendation: Monitor — no exploitation signal at the moment.
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 9.0Want to know if your infrastructure is exposed to this?
Talk to TrueHacking →References
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