Vulnerabilities of Microsoft .NET 9.0 runtime

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CVE	Summary	Score	Published
CVE-2026-47303	Authentication bypass by assumed-immutable data in ASP.NET Core allows an authorized attacker to elevate privileges over…	8.8 High	Jul 14, 2026
CVE-2026-47304	Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature…	8.1 High	Jul 14, 2026
CVE-2026-47302	Allocation of resources without limits or throttling in .NET allows an unauthorized attacker to deny service over a…	7.5 High	Jul 14, 2026
CVE-2026-47300	Incorrect implementation of authentication algorithm in ASP.NET Core allows an authorized attacker to elevate privileges…	8.8 High	Jul 14, 2026
CVE-2026-57108	Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny…	7.5 High	Jul 14, 2026
CVE-2026-56170	Allocation of resources without limits or throttling in ASP.NET Core allows an unauthorized attacker to deny service…	7.5 High	Jul 14, 2026