CVE-2026-114146 PUBLISHED

ASP.NET Core Elevation of Privilege Vulnerability

Assigner: microsoft
Reserved: 20.10.2026 Published: 10.11.2026 Updated: 12.11.2026

Incorrect authorization in ASP.NET Core allows an authorized attacker to elevate privileges over a network.

Metrics

CVSS Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C
CVSS Score: 9

Product Status

Vendor Microsoft
Product .NET 10.0 installed on Linux
Versions
  • affected from 10.0.0 to 10.0.15 (excl.)
Vendor Microsoft
Product .NET 10.0 installed on Mac OS
Versions
  • affected from 10.0.0 to 10.0.15 (excl.)
Vendor Microsoft
Product .NET 10.0 installed on Windows
Versions
  • affected from 10.0.0 to 10.0.15 (excl.)
Vendor Microsoft
Product .NET 11.0 installed on Linux
Versions
  • affected from 11.0.0-preview.1 to 11.0.0 (excl.)
Vendor Microsoft
Product .NET 11.0 installed on Mac OS
Versions
  • affected from 11.0.0-preview.1 to 11.0.0 (excl.)
Vendor Microsoft
Product .NET 11.0 installed on Windows
Versions
  • affected from 11.0.0-preview.1 to 11.0.0 (excl.)
Vendor Microsoft
Product .NET 8.0 installed on Linux
Versions
  • affected from 8.0.0 to 8.0.34 (excl.)
Vendor Microsoft
Product .NET 8.0 installed on Mac OS
Versions
  • affected from 8.0.0 to 8.0.34 (excl.)
Vendor Microsoft
Product .NET 8.0 installed on Windows
Versions
  • affected from 8.0.0 to 8.0.34 (excl.)
Vendor Microsoft
Product .NET 9.0 installed on Linux
Versions
  • affected from 9.0.0 to 9.0.23 (excl.)
Vendor Microsoft
Product .NET 9.0 installed on Mac OS
Versions
  • affected from 9.0.0 to 9.0.23 (excl.)
Vendor Microsoft
Product .NET 9.0 installed on Windows
Versions
  • affected from 9.0.0 to 9.0.23 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2022 version 17.14
Versions
  • affected from 17.14.0 to 17.14.45 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2026 version 18.11
Versions
  • affected from 18.11.0 to 18.11.4 (excl.)
Vendor Microsoft
Product Microsoft Visual Studio 2026 version 18.12
Versions
  • affected from 18.12.0 to 18.12.0 (excl.)
Vendor Microsoft
Product Microsoft.AspNetCore.Http.Connections
Versions
  • affected from 1.2.0 to 1.2.14 (excl.)

References

Problem Types