CVE-2026-114148highCWE-276

CVE-2026-114148: high-severity vulnerability in Microsoft ASP.NET Core runtime and…

ASP.NET Core Elevation of Privilege Vulnerability

Published · Updated

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41Vexday Risk Score

No sign of exploitation. It has a public proof of concept.

ssvc Attendcvss 7.8epss 0.4%
from disclosure to weaponsame day
Published on NVDOct 29
1st PoCOct 27
Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C
Affected products
Microsoft · ASP.NET Core runtime and targeting-pack Linux tarballs (Microsoft-published)Microsoft · .NET 10.0 installed on LinuxMicrosoft · .NET 10.0 installed on Mac OSMicrosoft · .NET 10.0 installed on WindowsMicrosoft · .NET 11.0 installed on LinuxMicrosoft · .NET 11.0 installed on Mac OSMicrosoft · .NET 11.0 installed on WindowsMicrosoft · .NET 8.0 installed on LinuxMicrosoft · .NET 8.0 installed on Mac OSMicrosoft · .NET 8.0 installed on WindowsMicrosoft · .NET 9.0 installed on LinuxMicrosoft · .NET 9.0 installed on Mac OSMicrosoft · .NET 9.0 installed on WindowsMicrosoft · .NET source-build Linux tarballs (all archive types)
⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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