CVE-2026-42899highCWE-835

CVE-2026-42899: high-severity vulnerability in Microsoft .NET 10.0

ASP.NET Core Denial of Service Vulnerability

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21Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 7.5epss 2.4%
Loop with unreachable exit condition ('infinite loop') 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 · .NET 10.0Microsoft · .NET 8.0Microsoft · .NET 9.0
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