High severity7.5NVD Advisory· Published Jul 14, 2026· Updated Jul 22, 2026
CVE-2026-57108
CVE-2026-57108
Description
Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.
Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
Microsoft.NetCore.App.Runtime.linux-armNuGet | >= 10.0.0, < 10.0.10 | 10.0.10 |
Microsoft.NetCore.App.Runtime.linux-arm64NuGet | >= 10.0.0, < 10.0.10 | 10.0.10 |
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | >= 10.0.0, < 10.0.10 | 10.0.10 |
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | >= 10.0.0, < 10.0.10 | 10.0.10 |
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | >= 10.0.0, < 10.0.10 | 10.0.10 |
Microsoft.NetCore.App.Runtime.linux-x64NuGet | >= 10.0.0, < 10.0.10 | 10.0.10 |
Microsoft.NetCore.App.Runtime.osx-arm64NuGet | >= 10.0.0, < 10.0.10 | 10.0.10 |
Microsoft.NetCore.App.Runtime.osx-x64NuGet | >= 10.0.0, < 10.0.10 | 10.0.10 |
Microsoft.NetCore.App.Runtime.linux-armNuGet | >= 9.0.0, < 9.0.18 | 9.0.18 |
Microsoft.NetCore.App.Runtime.linux-arm64NuGet | >= 9.0.0, < 9.0.18 | 9.0.18 |
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | >= 9.0.0, < 9.0.18 | 9.0.18 |
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | >= 9.0.0, < 9.0.18 | 9.0.18 |
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | >= 9.0.0, < 9.0.18 | 9.0.18 |
Microsoft.NetCore.App.Runtime.linux-x64NuGet | >= 9.0.0, < 9.0.18 | 9.0.18 |
Microsoft.NetCore.App.Runtime.osx-arm64NuGet | >= 9.0.0, < 9.0.18 | 9.0.18 |
Microsoft.NetCore.App.Runtime.osx-x64NuGet | >= 9.0.0, < 9.0.18 | 9.0.18 |
Microsoft.NetCore.App.Runtime.linux-armNuGet | >= 8.0.0, < 8.0.29 | 8.0.29 |
Microsoft.NetCore.App.Runtime.linux-arm64NuGet | >= 8.0.0, < 8.0.29 | 8.0.29 |
Microsoft.NetCore.App.Runtime.linux-musl-armNuGet | >= 8.0.0, < 8.0.29 | 8.0.29 |
Microsoft.NetCore.App.Runtime.linux-musl-arm64NuGet | >= 8.0.0, < 8.0.29 | 8.0.29 |
Microsoft.NetCore.App.Runtime.linux-musl-x64NuGet | >= 8.0.0, < 8.0.29 | 8.0.29 |
Microsoft.NetCore.App.Runtime.linux-x64NuGet | >= 8.0.0, < 8.0.29 | 8.0.29 |
Microsoft.NetCore.App.Runtime.osx-arm64NuGet | >= 8.0.0, < 8.0.29 | 8.0.29 |
Microsoft.NetCore.App.Runtime.osx-x64NuGet | >= 8.0.0, < 8.0.29 | 8.0.29 |
Affected products
49- osv-coords47 versionspkg:apk/chainguard/dotnet-bootstrap-8pkg:apk/chainguard/dotnet-bootstrap-9pkg:apk/wolfi/dotnet-bootstrap-8pkg:apk/wolfi/dotnet-bootstrap-9pkg:bitnami/dotnetpkg:bitnami/dotnet-sdkpkg: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
< 8.0.130-r0+ 46 more
- (no CPE)range: < 8.0.130-r0
- (no CPE)range: < 9.0.120-r0
- (no CPE)range: < 8.0.130-r0
- (no CPE)range: < 9.0.120-r0
- (no CPE)range: >= 8.0.0, < 8.0.29
- (no CPE)range: >= 8.0.0, < 8.0.29
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.110-1.el8_10
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 8.0.129-1.el10_2
- (no CPE)range: < 8.0.129-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 8.0.129-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 10.0.10-1.el10_2
- (no CPE)range: < 8.0.29-1.el10_2
- (no CPE)range: < 9.0.18-1.el10_2
- (no CPE)range: < 10.0.110-1.el10_2
- (no CPE)range: < 8.0.129-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
- (no CPE)range: < 9.0.119-1.el10_2
Patches
Vulnerability mechanics
References
6- github.com/advisories/GHSA-rp2p-6cmp-jxj9ghsaADVISORY
- msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57108nvdVendor AdvisoryWEB
- nvd.nist.gov/vuln/detail/CVE-2026-57108ghsaADVISORY
- github.com/dotnet/announcements/issues/408ghsaWEB
- github.com/dotnet/runtime/issues/130707ghsaWEB
- github.com/dotnet/runtime/security/advisories/GHSA-rp2p-6cmp-jxj9ghsaWEB
News mentions
3- Patch Tuesday - July 2026Rapid7 Blog · Jul 14, 2026
- Microsoft July 2026 Patch Tuesday fixes massive 570 flaws, 3 zero-daysBleepingComputer · Jul 14, 2026
- Massive Microsoft Patch Tuesday Update: 570 Vulnerabilities Fixed, Including 3 Zero-DaysCyber Security News · Jul 14, 2026