CVE-2026-114154: ASP.NET Core Denial of Service Vulnerability
Published Nov 10, 2026
·Updated
ASP.NET Core Denial of Service Vulnerability
Other sources
Uncontrolled resource consumption in ASP.NET Core allows an unauthorized attacker to deny service over a network.
— Microsoft
Affected Software
9 affected componentsFixes available
Microsoft Visual Studio 2026>=18.12<18.12.0
18.12.0
All of the following
Microsoft .NET>=9.0<9.0.23
9.0.23
Microsoft Windows*
Microsoft Visual Studio 2026>=18.11<18.11.4
18.11.4
Microsoft Visual Studio 2022>=17.14<17.14.45
17.14.45
All of the following
Microsoft .NET>=10.0<10.0.15
10.0.15
Microsoft Windows*
All of the following
Microsoft .NET>=8.0<8.0.34
8.0.34
Microsoft Windows*
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 18.12.0 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 18.11.4 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 9.0.23Patch KB5135242 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 17.14.45 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 8.0.34Patch KB5135243 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 10.0.15Patch KB5135241
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·06:19 PM
Data Sourced
via MITRE·06:19 PM
DescriptionSeverity
Data Sourced
via NVD·07:19 PM
DescriptionSeverityWeakness