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Microsoft Security Advisory CVE-2026-114146 - ASP.NET Core Elevation of Privilege Vulnerability

🗓️ 11 Nov 2026 00:21:56Reported by GitHub Advisory DatabaseType 
github
 github🔗 github.com👁 5 Views

Elevation of privilege in ASP.NET Core via SignalR connection identity mismatch.

Related
Detection
Refs
ReporterTitlePublishedViews
Family
circl
Circl		CVE-2026-114146
10 Nov 202612:38
–circl
cve
CVE		CVE-2026-114146
10 Nov 202618:19
–cve
cvelist
Cvelist		CVE-2026-114146 ASP.NET Core Elevation of Privilege Vulnerability
10 Nov 202618:19
–cvelist
euvd
EUVD		EUVD-2026-121971
11 Nov 202600:21
–euvd
mskb
Microsoft KB		.NET 10.0 Update - November 10, 2026
10 Nov 202616:00
–mskb
mskb
Microsoft KB		.NET 9.0 Update - November 10, 2026
10 Nov 202616:00
–mskb
mskb
Microsoft KB		.NET 8.0 Update - November 10, 2026
10 Nov 202616:00
–mskb
mscve
Microsoft CVE		ASP.NET Core Elevation of Privilege Vulnerability
10 Nov 202616:00
–mscve
ncsc
NCSC		Vulnerabilities fixed in Microsoft Developer Tools
10 Nov 202619:38
–ncsc
nvd
NVD		CVE-2026-114146
10 Nov 202619:19
–nvd
Rows per page
Vulners
Node
OR
microsoftaspnetcore.app.runtime.win-x86Range11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.win-x64Range11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.win-arm64Range11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.osx-x64Range11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.osx-arm64Range11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.linux-x64Range11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.linux-musl-x64Range11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.linux-musl-arm64Range11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.linux-musl-armRange11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.linux-arm64Range11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.linux-armRange11.0.0-preview.1.26104.118–11.0.0-rc.3.26522.148nuget
microsoftaspnetcore.app.runtime.win-x86Range10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.win-x64Range10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.win-arm64Range10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.osx-x64Range10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.osx-arm64Range10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.linux-x64Range10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.linux-musl-x64Range10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.linux-musl-arm64Range10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.linux-musl-armRange10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.linux-arm64Range10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.linux-armRange10.0.0-preview.1.25120.3–10.0.14nuget
microsoftaspnetcore.app.runtime.win-x86Range9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.win-x64Range9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.win-arm64Range9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.osx-x64Range9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.osx-arm64Range9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.linux-x64Range9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.linux-musl-x64Range9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.linux-musl-arm64Range9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.linux-musl-armRange9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.linux-arm64Range9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.linux-armRange9.0.0-preview.1.24081.5–9.0.22nuget
microsoftaspnetcore.app.runtime.win-x86Range8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.win-x64Range8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.win-arm64Range8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.osx-x64Range8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.osx-arm64Range8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.linux-x64Range8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.linux-musl-x64Range8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.linux-musl-arm64Range8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.linux-musl-armRange8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.linux-arm64Range8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.app.runtime.linux-armRange8.0.0-preview.1.23112.2–8.0.33nuget
microsoftaspnetcore.http.connectionsRange1.2.0–1.2.13nuget

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11 Nov 2026 00:21Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.19
CWE-863
ASP.NET CoreSignalRelevation of privilegeHub invocationsidentity mismatch
5