Oct 2026: ASP.NET Core Denial of Service Vulnerability
CVE-2026-70196 Published on October 13, 2026
ASP.NET Core Denial of Service Vulnerability
Inefficient algorithmic complexity in ASP.NET Core allows an unauthorized attacker to deny service over a network.
Weakness Type
Inefficient Algorithmic Complexity
An algorithm in a product has an inefficient worst-case computational complexity that may be detrimental to system performance and can be triggered by an attacker, typically using crafted manipulations that ensure that the worst case is being reached.
Products Associated with CVE-2026-70196
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Affected Versions
Microsoft ASP.NET Core 10.0:- Version 10.0 and below 10.0.13 is affected.
- Version 8.0 and below 8.0.32 is affected.
- Version 9.0 and below 9.0.21 is affected.
- Version 17.14.0 and below 17.14.42 is affected.
- Version 18.10.0 and below 18.10.4 is affected.