High severity7.5GHSA Advisory· Published Apr 14, 2026· Updated May 7, 2026
CVE-2026-32178
CVE-2026-32178
Description
Improper neutralization of special elements in .NET allows an unauthorized attacker to perform spoofing over a network.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Microsoft.NetCore.App.Runtime.linux-armNuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.linux-arm64NuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.linux-x64NuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.osx-arm64NuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.osx-x64NuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.win-armNuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.win-arm64NuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.win-x64NuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.win-x86NuGet | >= 10.0.0, < 10.0.6 | 10.0.6 |
Microsoft.NetCore.App.Runtime.linux-armNuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.linux-arm64NuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.linux-x64NuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.osx-arm64NuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.osx-x64NuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.win-armNuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.win-arm64NuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.win-x64NuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.win-x86NuGet | >= 9.0.0, < 9.0.15 | 9.0.15 |
Microsoft.NetCore.App.Runtime.linux-armNuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.linux-arm64NuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.linux-x64NuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.osx-arm64NuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.osx-x64NuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.win-armNuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.win-arm64NuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.win-x64NuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Microsoft.NetCore.App.Runtime.win-x86NuGet | >= 8.0.0, < 8.0.26 | 8.0.26 |
Affected products
60- cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*Range: >=17.12.0,<17.12.19
- osv-coords57 versionspkg:apk/chainguard/dotnet-bootstrap-8pkg:apk/wolfi/dotnet-bootstrap-8pkg:bitnami/dotnetpkg:bitnami/dotnet-sdkpkg:nuget/microsoft.netcore.app.runtime.linux-armpkg:nuget/microsoft.netcore.app.runtime.linux-arm64pkg:nuget/microsoft.netcore.app.runtime.linux-musl-armpkg:nuget/microsoft.netcore.app.runtime.linux-musl-arm64pkg:nuget/microsoft.netcore.app.runtime.linux-musl-x64pkg:nuget/microsoft.netcore.app.runtime.linux-x64pkg:nuget/microsoft.netcore.app.runtime.osx-arm64pkg:nuget/microsoft.netcore.app.runtime.osx-x64pkg:nuget/microsoft.netcore.app.runtime.win-armpkg:nuget/microsoft.netcore.app.runtime.win-arm64pkg:nuget/microsoft.netcore.app.runtime.win-x64pkg:nuget/microsoft.netcore.app.runtime.win-x86pkg:rpm/almalinux/aspnetcore-runtime-10.0pkg:rpm/almalinux/aspnetcore-runtime-8.0pkg:rpm/almalinux/aspnetcore-runtime-9.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-10.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-8.0pkg:rpm/almalinux/aspnetcore-runtime-dbg-9.0pkg:rpm/almalinux/aspnetcore-targeting-pack-10.0pkg:rpm/almalinux/aspnetcore-targeting-pack-8.0pkg:rpm/almalinux/aspnetcore-targeting-pack-9.0pkg:rpm/almalinux/dotnetpkg:rpm/almalinux/dotnet-apphost-pack-10.0pkg:rpm/almalinux/dotnet-apphost-pack-8.0pkg:rpm/almalinux/dotnet-apphost-pack-9.0pkg:rpm/almalinux/dotnet-hostpkg:rpm/almalinux/dotnet-hostfxr-10.0pkg:rpm/almalinux/dotnet-hostfxr-8.0pkg:rpm/almalinux/dotnet-hostfxr-9.0pkg:rpm/almalinux/dotnet-runtime-10.0pkg:rpm/almalinux/dotnet-runtime-8.0pkg:rpm/almalinux/dotnet-runtime-9.0pkg:rpm/almalinux/dotnet-runtime-dbg-10.0pkg:rpm/almalinux/dotnet-runtime-dbg-8.0pkg:rpm/almalinux/dotnet-runtime-dbg-9.0pkg:rpm/almalinux/dotnet-sdk-10.0pkg:rpm/almalinux/dotnet-sdk-10.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-8.0pkg:rpm/almalinux/dotnet-sdk-8.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-9.0pkg:rpm/almalinux/dotnet-sdk-9.0-source-built-artifactspkg:rpm/almalinux/dotnet-sdk-aot-10.0pkg:rpm/almalinux/dotnet-sdk-aot-9.0pkg:rpm/almalinux/dotnet-sdk-dbg-10.0pkg:rpm/almalinux/dotnet-sdk-dbg-8.0pkg:rpm/almalinux/dotnet-sdk-dbg-9.0pkg:rpm/almalinux/dotnet-targeting-pack-10.0pkg:rpm/almalinux/dotnet-targeting-pack-8.0pkg:rpm/almalinux/dotnet-targeting-pack-9.0pkg:rpm/almalinux/dotnet-templates-10.0pkg:rpm/almalinux/dotnet-templates-8.0pkg:rpm/almalinux/dotnet-templates-9.0pkg:rpm/almalinux/netstandard-targeting-pack-2.1
< 8.0.127-r0+ 56 more
- (no CPE)range: < 8.0.127-r0
- (no CPE)range: < 8.0.127-r0
- (no CPE)range: >= 8.0.0, < 8.0.26
- (no CPE)range: >= 8.0.0, < 8.0.26
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: >= 10.0.0, < 10.0.6
- (no CPE)range: < 10.0.6-1.el8_10
- (no CPE)range: < 8.0.26-1.el8_10
- (no CPE)range: < 9.0.15-1.el10_1
- (no CPE)range: < 10.0.6-1.el8_10
- (no CPE)range: < 8.0.26-1.el8_10
- (no CPE)range: < 9.0.15-1.el10_1
- (no CPE)range: < 10.0.6-1.el8_10
- (no CPE)range: < 8.0.26-1.el8_10
- (no CPE)range: < 9.0.15-1.el10_1
- (no CPE)range: < 10.0.106-1.el8_10
- (no CPE)range: < 10.0.6-1.el8_10
- (no CPE)range: < 8.0.26-1.el8_10
- (no CPE)range: < 9.0.15-1.el10_1
- (no CPE)range: < 10.0.6-1.el8_10
- (no CPE)range: < 10.0.6-1.el8_10
- (no CPE)range: < 8.0.26-1.el8_10
- (no CPE)range: < 9.0.15-1.el10_1
- (no CPE)range: < 10.0.6-1.el8_10
- (no CPE)range: < 8.0.26-1.el8_10
- (no CPE)range: < 9.0.15-1.el10_1
- (no CPE)range: < 10.0.6-1.el8_10
- (no CPE)range: < 8.0.26-1.el8_10
- (no CPE)range: < 9.0.15-1.el10_1
- (no CPE)range: < 10.0.106-1.el8_10
- (no CPE)range: < 10.0.106-1.el8_10
- (no CPE)range: < 8.0.126-1.el8_10
- (no CPE)range: < 8.0.126-1.el8_10
- (no CPE)range: < 9.0.116-1.el10_1
- (no CPE)range: < 9.0.116-1.el10_1
- (no CPE)range: < 10.0.106-1.el8_10
- (no CPE)range: < 9.0.116-1.el10_1
- (no CPE)range: < 10.0.106-1.el8_10
- (no CPE)range: < 8.0.126-1.el8_10
- (no CPE)range: < 9.0.116-1.el10_1
- (no CPE)range: < 10.0.6-1.el8_10
- (no CPE)range: < 8.0.26-1.el8_10
- (no CPE)range: < 9.0.15-1.el10_1
- (no CPE)range: < 10.0.106-1.el8_10
- (no CPE)range: < 8.0.126-1.el8_10
- (no CPE)range: < 9.0.116-1.el10_1
- (no CPE)range: < 9.0.116-1.el10_1
Patches
Vulnerability mechanics
References
5- github.com/advisories/GHSA-vmwf-m9c5-3jvcghsaADVISORY
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-32178nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-32178ghsaADVISORY
- github.com/dotnet/announcements/issues/12345ghsaWEB
- github.com/dotnet/runtime/security/advisories/GHSA-vmwf-m9c5-3jvcghsaWEB
News mentions
1- Patch Tuesday - April 2026Rapid7 Blog · Apr 14, 2026