CVE-2026-26127

Description

Out-of-bounds read in .NET allows an unauthorized attacker to deny service over a network.

Risk Information

Base Score
7.5
MODERATE
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS Score
Exploitation Probability
0.083

Associated Vulnerability

VulnerabilityOS Platform
Vulnerabilities CVE-2026-26130 are fixed in ASP.NET Core Runtime (9.0) (x86) 9.0.14Windows
Vulnerabilities CVE-2026-26130 are fixed in ASP.NET Core Runtime (9.0) (x64) 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Dot NET Desktop Runtime (9.0) (x64) 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Dot NET Desktop Runtime (9.0) (x86) 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Dot NET Runtime (9.0) (x64) 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Dot NET Runtime (9.0) (x86) 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in ASP.NET Core Runtime (9.0) (x64) 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in ASP.NET Core Runtime (9.0) (x86) 9.0.14Windows
Vulnerabilities CVE-2026-26130 are fixed in ASP.NET Core Runtime (10.0) (x64) 10.0.4Windows
Vulnerabilities CVE-2026-26130 are fixed in ASP.NET Core Runtime (10.0) (x86) 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Dot NET Desktop Runtime (10.0) (x64) 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Dot NET Desktop Runtime (10.0) (x86) 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Dot NET Runtime (10.0) (x64) 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Dot NET Runtime (10.0) (x86) 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in ASP.NET Core Runtime (10.0) (x64) 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in ASP.NET Core Runtime (10.0) (x86) 10.0.4Windows
ASP.NET Core Denial of Service Vulnerability for .NET Hosting (10.0.4) (KB5081276) (CVE-2026-26127)Windows
ASP.NET Core Denial of Service Vulnerability for .NET SDK (x64) (10.0.200) (KB5081276) (CVE-2026-26127)Windows
ASP.NET Core Denial of Service Vulnerability for .NET SDK (x86) (10.0.200) (KB5081276) (CVE-2026-26127)Windows
ASP.NET Core Denial of Service Vulnerability for .NET SDK (x64) (10.0.104) (KB5081276) (CVE-2026-26127)Windows
ASP.NET Core Denial of Service Vulnerability for .NET SDK (x86) (10.0.104) (KB5081276) (CVE-2026-26127)Windows
ASP.NET Core Denial of Service Vulnerability for .NET Hosting (9.0.14) (KB5081278) (CVE-2026-26127)Windows
ASP.NET Core Denial of Service Vulnerability for .NET SDK (x64) (9.0.312) (KB5081278) (CVE-2026-26127)Windows
ASP.NET Core Denial of Service Vulnerability for .NET SDK (x86) (9.0.312) (KB5081278) (CVE-2026-26127)Windows
ASP.NET Core Denial of Service Vulnerability for .NET SDK (x64) (9.0.115) (KB5081278) (CVE-2026-26127)Windows
ASP.NET Core Denial of Service Vulnerability for .NET SDK (x86) (9.0.115) (KB5081278) (CVE-2026-26127)Windows
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget-Microsoft.NETCore.App.Runtime.linux-arm 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget-Microsoft.NETCore.App.Runtime.linux-arm 9.0.14Windows
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget-Microsoft.NetCore.App.Runtime.linux-musl-arm 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget-Microsoft.NetCore.App.Runtime.linux-musl-arm 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget-Microsoft.NETCore.App.Runtime.win-arm 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget-Microsoft.NETCore.App.Runtime.win-arm 10.0.4Windows
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-arm64 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-arm64 9.0.14Windows
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-musl-arm64 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-musl-arm64 9.0.14Windows
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-musl-x64 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-musl-x64 9.0.14Windows
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-x64 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-x64 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.osx-x64 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.osx-x64 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-arm64 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-arm64 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-x64 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-x64 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-x86 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-x86 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.osx-arm64 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.osx-arm64 10.0.4Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.Bcl.Memory 9.0.14Windows
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.Bcl.Memory 10.0.4Windows
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget-Microsoft.NETCore.App.Runtime.linux-arm for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget-Microsoft.NETCore.App.Runtime.linux-arm for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget-Microsoft.NetCore.App.Runtime.linux-musl-arm for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget-Microsoft.NetCore.App.Runtime.linux-musl-arm for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget-Microsoft.NETCore.App.Runtime.win-arm for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget-Microsoft.NETCore.App.Runtime.win-arm for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-arm64 for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-arm64 for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-musl-arm64 for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-musl-arm64 for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-musl-x64 for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-musl-x64 for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26131,CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-x64 for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.linux-x64 for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.osx-x64 for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.osx-x64 for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-arm64 for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-arm64 for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-x64 for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-x64 for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-x86 for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.win-x86 for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.osx-arm64 for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.NETCore.App.Runtime.osx-arm64 for Linux 10.0.4Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.Bcl.Memory for Linux 9.0.14Linux
Vulnerabilities CVE-2026-26127 are fixed in Nuget - Microsoft.Bcl.Memory for Linux 10.0.4Linux

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-43616Update for AspNet Core (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
PATCH-43615Update for AspNet Core (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
PATCH-43617Update for .NET Desktop Runtime (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
PATCH-43618Update for .NET Desktop Runtime (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
PATCH-43619Update for .NET Runtime (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
PATCH-43620Update for .NET Runtime (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
PATCH-43615Update for AspNet Core (x64) (9.0.14) (KB5081278) (CVE-2026-26127)
PATCH-43616Update for AspNet Core (x86) (9.0.14) (KB5081278) (CVE-2026-26127)
PATCH-43593Update for AspNet Core (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
PATCH-43594Update for AspNet Core (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
PATCH-43595Update for .NET Desktop Runtime (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
PATCH-43596Update for .NET Desktop Runtime (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
PATCH-43597Update for .NET Runtime (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
PATCH-43598Update for .NET Runtime (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
PATCH-43593Update for AspNet Core (x64) (10.0.4) (KB5081276) (CVE-2026-26127)
PATCH-43594Update for AspNet Core (x86) (10.0.4) (KB5081276) (CVE-2026-26127)
PATCH-43592Update for .NET Hosting (10.0.4) (KB5081276) (CVE-2026-26127)
PATCH-43599Update for .NET SDK (x64) (10.0.200) (KB5081276) (CVE-2026-26127)
PATCH-43600Update for .NET SDK (x86) (10.0.200) (KB5081276) (CVE-2026-26127)
PATCH-43601Update for .NET SDK (x64) (10.0.104) (KB5081276) (CVE-2026-26127)
PATCH-43602Update for .NET SDK (x86) (10.0.104) (KB5081276) (CVE-2026-26127)
PATCH-43614Update for .NET Hosting (9.0.14) (KB5081278) (CVE-2026-26127)
PATCH-43621Update for .NET SDK (x64) (9.0.312) (KB5081278) (CVE-2026-26127)
PATCH-43622Update for .NET SDK (x86) (9.0.312) (KB5081278) (CVE-2026-26127)
PATCH-43623Update for .NET SDK (x64) (9.0.115) (KB5081278) (CVE-2026-26127)
PATCH-43624Update for .NET SDK (x86) (9.0.115) (KB5081278) (CVE-2026-26127)

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234