Vulnerability · Published Oct 13, 2026 · Assigned by microsoft

CVE-2026-96238.NET Security Feature Bypass Vulnerability

Medium 6.5

In plain English

A medium-severity security flaw in Microsoft Visual Studio 2022 version 17.14 from Microsoft. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 22% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 77.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Origin validation error in .NET allows an unauthorized attacker to bypass a security feature over a network.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:10aspnetcore-runtime-10.010.0.13-1.el10_2ALSA-2026:86195
AlmaLinux:8aspnetcore-runtime-10.010.0.13-1.el8_10ALSA-2026:86192
AlmaLinux:9aspnetcore-runtime-10.010.0.13-1.el9_8ALSA-2026:86193
AlmaLinux:10aspnetcore-runtime-8.08.0.32-1.el10_2ALSA-2026:86168
AlmaLinux:8aspnetcore-runtime-8.08.0.32-2.el8_10ALSA-2026:86594
AlmaLinux:9aspnetcore-runtime-8.08.0.32-1.el9_8ALSA-2026:86169
AlmaLinux:10aspnetcore-runtime-9.09.0.21-1.el10_2ALSA-2026:86172
AlmaLinux:8aspnetcore-runtime-9.09.0.21-1.el8_10ALSA-2026:86170
AlmaLinux:9aspnetcore-runtime-9.09.0.21-1.el9_8ALSA-2026:86171
AlmaLinux:10aspnetcore-runtime-dbg-10.010.0.13-1.el10_2ALSA-2026:86195
AlmaLinux:8aspnetcore-runtime-dbg-10.010.0.13-1.el8_10ALSA-2026:86192
AlmaLinux:9aspnetcore-runtime-dbg-10.010.0.13-1.el9_8ALSA-2026:86193
AlmaLinux:10aspnetcore-runtime-dbg-8.08.0.32-1.el10_2ALSA-2026:86168
AlmaLinux:8aspnetcore-runtime-dbg-8.08.0.32-2.el8_10ALSA-2026:86594
AlmaLinux:9aspnetcore-runtime-dbg-8.08.0.32-1.el9_8ALSA-2026:86169
AlmaLinux:10aspnetcore-runtime-dbg-9.09.0.21-1.el10_2ALSA-2026:86172
AlmaLinux:8aspnetcore-runtime-dbg-9.09.0.21-1.el8_10ALSA-2026:86170
AlmaLinux:9aspnetcore-runtime-dbg-9.09.0.21-1.el9_8ALSA-2026:86171
AlmaLinux:10aspnetcore-targeting-pack-10.010.0.13-1.el10_2ALSA-2026:86195
AlmaLinux:8aspnetcore-targeting-pack-10.010.0.13-1.el8_10ALSA-2026:86192
AlmaLinux:9aspnetcore-targeting-pack-10.010.0.13-1.el9_8ALSA-2026:86193
AlmaLinux:10aspnetcore-targeting-pack-8.08.0.32-1.el10_2ALSA-2026:86168
AlmaLinux:8aspnetcore-targeting-pack-8.08.0.32-2.el8_10ALSA-2026:86594
AlmaLinux:9aspnetcore-targeting-pack-8.08.0.32-1.el9_8ALSA-2026:86169
AlmaLinux:10aspnetcore-targeting-pack-9.09.0.21-1.el10_2ALSA-2026:86172
AlmaLinux:8aspnetcore-targeting-pack-9.09.0.21-1.el8_10ALSA-2026:86170
AlmaLinux:9aspnetcore-targeting-pack-9.09.0.21-1.el9_8ALSA-2026:86171
AlmaLinux:8dotnet10.0.113-1.el8_10ALSA-2026:86192
AlmaLinux:10dotnet-apphost-pack-10.010.0.13-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-apphost-pack-10.010.0.13-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-apphost-pack-10.010.0.13-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-apphost-pack-8.08.0.32-1.el10_2ALSA-2026:86168
AlmaLinux:8dotnet-apphost-pack-8.08.0.32-2.el8_10ALSA-2026:86594
AlmaLinux:9dotnet-apphost-pack-8.08.0.32-1.el9_8ALSA-2026:86169
AlmaLinux:10dotnet-apphost-pack-9.09.0.21-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-apphost-pack-9.09.0.21-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-apphost-pack-9.09.0.21-1.el9_8ALSA-2026:86171
AlmaLinux:10dotnet-host10.0.13-1.el10_2ALSA-2026:86195
AlmaLinux:9dotnet-host10.0.13-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-hostfxr-10.010.0.13-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-hostfxr-10.010.0.13-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-hostfxr-10.010.0.13-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-hostfxr-8.08.0.32-1.el10_2ALSA-2026:86168
AlmaLinux:8dotnet-hostfxr-8.08.0.32-2.el8_10ALSA-2026:86594
AlmaLinux:9dotnet-hostfxr-8.08.0.32-1.el9_8ALSA-2026:86169
AlmaLinux:10dotnet-hostfxr-9.09.0.21-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-hostfxr-9.09.0.21-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-hostfxr-9.09.0.21-1.el9_8ALSA-2026:86171
AlmaLinux:10dotnet-runtime-10.010.0.13-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-runtime-10.010.0.13-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-runtime-10.010.0.13-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-runtime-8.08.0.32-1.el10_2ALSA-2026:86168
AlmaLinux:8dotnet-runtime-8.08.0.32-2.el8_10ALSA-2026:86594
AlmaLinux:9dotnet-runtime-8.08.0.32-1.el9_8ALSA-2026:86169
AlmaLinux:10dotnet-runtime-9.09.0.21-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-runtime-9.09.0.21-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-runtime-9.09.0.21-1.el9_8ALSA-2026:86171
AlmaLinux:10dotnet-runtime-dbg-10.010.0.13-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-runtime-dbg-10.010.0.13-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-runtime-dbg-10.010.0.13-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-runtime-dbg-8.08.0.32-1.el10_2ALSA-2026:86168
AlmaLinux:8dotnet-runtime-dbg-8.08.0.32-2.el8_10ALSA-2026:86594
AlmaLinux:9dotnet-runtime-dbg-8.08.0.32-1.el9_8ALSA-2026:86169
AlmaLinux:10dotnet-runtime-dbg-9.09.0.21-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-runtime-dbg-9.09.0.21-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-runtime-dbg-9.09.0.21-1.el9_8ALSA-2026:86171
AlmaLinux:10dotnet-sdk-10.010.0.113-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-sdk-10.010.0.113-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-sdk-10.010.0.113-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-sdk-10.0-source-built-artifacts10.0.113-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-sdk-10.0-source-built-artifacts10.0.113-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-sdk-10.0-source-built-artifacts10.0.113-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-sdk-8.08.0.132-1.el10_2ALSA-2026:86168
AlmaLinux:8dotnet-sdk-8.08.0.132-2.el8_10ALSA-2026:86594
AlmaLinux:9dotnet-sdk-8.08.0.132-1.el9_8ALSA-2026:86169
AlmaLinux:10dotnet-sdk-8.0-source-built-artifacts8.0.132-1.el10_2ALSA-2026:86168
AlmaLinux:8dotnet-sdk-8.0-source-built-artifacts8.0.132-2.el8_10ALSA-2026:86594
AlmaLinux:9dotnet-sdk-8.0-source-built-artifacts8.0.132-1.el9_8ALSA-2026:86169
AlmaLinux:10dotnet-sdk-9.09.0.122-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-sdk-9.09.0.122-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-sdk-9.09.0.122-1.el9_8ALSA-2026:86171
AlmaLinux:10dotnet-sdk-9.0-source-built-artifacts9.0.122-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-sdk-9.0-source-built-artifacts9.0.122-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-sdk-9.0-source-built-artifacts9.0.122-1.el9_8ALSA-2026:86171
AlmaLinux:10dotnet-sdk-aot-10.010.0.113-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-sdk-aot-10.010.0.113-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-sdk-aot-10.010.0.113-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-sdk-aot-9.09.0.122-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-sdk-aot-9.09.0.122-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-sdk-aot-9.09.0.122-1.el9_8ALSA-2026:86171
AlmaLinux:10dotnet-sdk-dbg-10.010.0.113-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-sdk-dbg-10.010.0.113-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-sdk-dbg-10.010.0.113-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-sdk-dbg-8.08.0.132-1.el10_2ALSA-2026:86168
AlmaLinux:8dotnet-sdk-dbg-8.08.0.132-2.el8_10ALSA-2026:86594
AlmaLinux:9dotnet-sdk-dbg-8.08.0.132-1.el9_8ALSA-2026:86169
AlmaLinux:10dotnet-sdk-dbg-9.09.0.122-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-sdk-dbg-9.09.0.122-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-sdk-dbg-9.09.0.122-1.el9_8ALSA-2026:86171
AlmaLinux:10dotnet-targeting-pack-10.010.0.13-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-targeting-pack-10.010.0.13-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-targeting-pack-10.010.0.13-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-targeting-pack-8.08.0.32-1.el10_2ALSA-2026:86168
AlmaLinux:8dotnet-targeting-pack-8.08.0.32-2.el8_10ALSA-2026:86594
AlmaLinux:9dotnet-targeting-pack-8.08.0.32-1.el9_8ALSA-2026:86169
AlmaLinux:10dotnet-targeting-pack-9.09.0.21-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-targeting-pack-9.09.0.21-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-targeting-pack-9.09.0.21-1.el9_8ALSA-2026:86171
AlmaLinux:10dotnet-templates-10.010.0.113-1.el10_2ALSA-2026:86195
AlmaLinux:8dotnet-templates-10.010.0.113-1.el8_10ALSA-2026:86192
AlmaLinux:9dotnet-templates-10.010.0.113-1.el9_8ALSA-2026:86193
AlmaLinux:10dotnet-templates-8.08.0.132-1.el10_2ALSA-2026:86168
AlmaLinux:8dotnet-templates-8.08.0.132-2.el8_10ALSA-2026:86594
AlmaLinux:9dotnet-templates-8.08.0.132-1.el9_8ALSA-2026:86169
AlmaLinux:10dotnet-templates-9.09.0.122-1.el10_2ALSA-2026:86172
AlmaLinux:8dotnet-templates-9.09.0.122-1.el8_10ALSA-2026:86170
AlmaLinux:9dotnet-templates-9.09.0.122-1.el9_8ALSA-2026:86171
AlmaLinux:10netstandard-targeting-pack-2.19.0.122-1.el10_2ALSA-2026:86172
AlmaLinux:8netstandard-targeting-pack-2.19.0.122-1.el8_10ALSA-2026:86170
AlmaLinux:9netstandard-targeting-pack-2.19.0.122-1.el9_8ALSA-2026:86171
Alpine:v3.23dotnet10-runtime10.0.13-r0ALPINE-CVE-2026-96238
Alpine:v3.24dotnet10-runtime10.0.13-r0ALPINE-CVE-2026-96238
Alpine:v3.22dotnet8-runtime8.0.32-r0ALPINE-CVE-2026-96238
Alpine:v3.23dotnet8-runtime8.0.32-r0ALPINE-CVE-2026-96238
Alpine:v3.24dotnet8-runtime8.0.32-r0ALPINE-CVE-2026-96238
Alpine:v3.22dotnet9-runtime9.0.21-r0ALPINE-CVE-2026-96238
Alpine:v3.23dotnet9-runtime9.0.21-r0ALPINE-CVE-2026-96238
Alpine:v3.24dotnet9-runtime9.0.21-r0ALPINE-CVE-2026-96238
Rocky Linux:10dotnet10.00:10.0.113-1.el10_2RLSA-2026:86195
Rocky Linux:8dotnet10.00:10.0.113-1.el8_10RLSA-2026:86192
Rocky Linux:9dotnet10.00:10.0.113-1.el9_8RLSA-2026:86193
Rocky Linux:10dotnet8.00:8.0.132-1.el10_2RLSA-2026:86168
Rocky Linux:8dotnet8.00:8.0.132-2.el8_10RLSA-2026:86594
Rocky Linux:9dotnet8.00:8.0.132-1.el9_8RLSA-2026:86169
Rocky Linux:10dotnet9.00:9.0.122-1.el10_2RLSA-2026:86172
Rocky Linux:8dotnet9.00:9.0.122-1.el8_10RLSA-2026:86170
Rocky Linux:9dotnet9.00:9.0.122-1.el9_8RLSA-2026:86171
Ubuntu:24.04:LTSdotnet1010.0.113-10.0.13-0ubuntu1~24.04.1UBUNTU-CVE-2026-96238
Ubuntu:24.04:LTSdotnet1010.0.113-10.0.13-0ubuntu1~24.04.1USN-8942-1
Ubuntu:26.04:LTSdotnet1010.0.113-10.0.13-0ubuntu1~26.04.1UBUNTU-CVE-2026-96238
Ubuntu:26.04:LTSdotnet1010.0.113-10.0.13-0ubuntu1~26.04.1USN-8942-1
Ubuntu:26.10dotnet1010.0.113-10.0.13-0ubuntu1~26.10.1UBUNTU-CVE-2026-96238
Ubuntu:26.10dotnet1010.0.113-10.0.13-0ubuntu1~26.10.1USN-8942-1
Ubuntu:26.10dotnet1111.0.100-11.0.0~rc2-0ubuntu1~26.10.1USN-8942-1
Ubuntu:26.10dotnet1111.0.100-11.0.0~rc2-0ubuntu1~26.10.1UBUNTU-CVE-2026-96238
Ubuntu:22.04:LTSdotnet6no fix listedUBUNTU-CVE-2026-96238
Ubuntu:22.04:LTSdotnet7no fix listedUBUNTU-CVE-2026-96238
Ubuntu:22.04:LTSdotnet88.0.132-8.0.32-0ubuntu1~22.04.1UBUNTU-CVE-2026-96238
Ubuntu:22.04:LTSdotnet88.0.132-8.0.32-0ubuntu1~22.04.1USN-8942-1
Ubuntu:24.04:LTSdotnet88.0.132-8.0.32-0ubuntu1~24.04.1USN-8942-1
Ubuntu:24.04:LTSdotnet88.0.132-8.0.32-0ubuntu1~24.04.1UBUNTU-CVE-2026-96238

Affected products (as reported)

VendorProductVersions
Microsoft .NET 10.0 runtime 10.0.0 – before 10.0.113
Microsoft .NET 11.0 runtime 11.0.0 – before 11.0.100-rc.2
Microsoft .NET 8.0 runtime 8.0.0 – before 8.0.426
Microsoft .NET 9.0 runtime 9.0.0 – before 9.0.122
Microsoft Microsoft Visual Studio 2022 version 17.14 17.14.0 – before 17.14.42
Microsoft Microsoft Visual Studio 2026 version 18.10 18.10.0 – before 18.10.4

Weakness: CWE-346 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C

References