Recorded 10 Nov 2026 at 18:32 UTC. This is what ChangeIntel recorded, including the title, summary, facts and links. It is not a statement of the source's current position. See the latest record.

CVEMicrosoft Security Response Center

ASP.NET Core Elevation of Privilege Vulnerability

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

What it said

CVE: CVE-2026-114146
Severity: Important
CVSS base score: 9.0
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
Impact: Elevation of Privilege
Exploitation detected: No known exploitation (MSRC assessment)
Publicly disclosed: No (MSRC assessment)
Exploitability: Exploitation Less Likely
Component: ASP.NET Core
Weakness: CWE-863: Incorrect Authorization
Issued by: Microsoft
Customer action: Required: follow the MSRC remediation guidance
Affected products: .NET 10.0 installed on Linux, .NET 10.0 installed on Mac OS, .NET 10.0 installed on Windows, .NET 11.0 installed on Linux, .NET 11.0 installed on Mac OS, .NET 11.0 installed on Windows, .NET 8.0 installed on Linux, .NET 8.0 installed on Mac OS, .NET 8.0 installed on Windows, .NET 9.0 installed on Linux, .NET 9.0 installed on Mac OS, .NET 9.0 installed on Windows, Microsoft Visual Studio 2022 version 17.14, Microsoft Visual Studio 2026 version 18.11, Microsoft Visual Studio 2026 version 18.12, Microsoft.AspNetCore.Http.Connections
Updates that fix it: KB5135241: .NET 10.0 installed on Linux, .NET 10.0 installed on Mac OS, .NET 10.0 installed on Windows; KB5135242: .NET 9.0 installed on Linux, .NET 9.0 installed on Mac OS, .NET 9.0 installed on Windows; KB5135243: .NET 8.0 installed on Linux, .NET 8.0 installed on Mac OS, .NET 8.0 installed on Windows
CISA KEV: Not listed in the collected catalog
EPSS: No EPSS score collected
Public detection template: No Nuclei template listed
Published: 10 Nov 2026 08:00 UTC
Last revised: 10 Nov 2026 08:00 UTC
Revision note: Information published.

Recorded links

Source evidence when recorded

Microsoft security releases: Complete at observationRead 10 Nov 2026 at 18:30 UTC
CISA KEV: Complete at observationRead 10 Nov 2026 at 18:30 UTC
FIRST EPSS: Complete at observationRead 10 Nov 2026 at 18:30 UTC
Public detection templates (Nuclei): Complete at observationRead 10 Nov 2026 at 18:30 UTC

Coverage describes the sources at this observation. A complete read then does not establish their current position.

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