CVE-2026-118741: ASP.NET Core Elevation of Privilege Vulnerability
Published Nov 10, 2026
·Updated
ASP.NET Core Elevation of Privilege Vulnerability
Other sources
Improper authentication in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.
— Microsoft
Affected Software
11 affected componentsFixes available
Microsoft Microsoft.VisualStudio.Web.CodeGenerators.Mvc<9.0.13
9.0.13
Microsoft Microsoft.DotNet.Web.ProjectTemplates.8.0<8.0.34
8.0.34
Microsoft Microsoft.VisualStudio.Web.CodeGenerators.Mvc<10.0.3
10.0.3
Microsoft Microsoft.VisualStudio.Web.CodeGenerators.Mvc<8.0.24
8.0.24
Microsoft Microsoft.DotNet.Web.ProjectTemplates.10.0<10.0.15
10.0.15
Microsoft Microsoft.VisualStudio.Web.CodeGeneration.Design<10.0.3
10.0.3
Microsoft Microsoft.VisualStudio.Web.CodeGeneration.Design<8.0.24
8.0.24
Microsoft Microsoft.dotnet-scaffold<20.3.0
20.3.0
Microsoft Microsoft.VisualStudio.Web.CodeGeneration.Design<9.0.13
9.0.13
Microsoft Microsoft.dotnet-scaffold-aspnet<9.0.13
9.0.13
Microsoft Microsoft.DotNet.Web.ProjectTemplates.9.0<9.0.23
9.0.23
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 9.0.13 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.3 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 8.0.34 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 8.0.24 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.15 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 20.3.0 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 9.0.23
Event History
Nov 10, 2026
CVE Published
via Microsoft·04:00 PM
Data Sourced
via Microsoft·04:00 PM
DescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·06:24 PM
Data Sourced
via MITRE·06:24 PM
DescriptionSeverity
Data Sourced
via NVD·07:19 PM
DescriptionSeverityWeakness