{"id":"CVE-2026-57108","title":".NET Denial of Service Vulnerability","summary":"Access of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.","severity":"high","cvss":7.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-843"],"vendor":"Microsoft","product":".NET 10.0","affected":[".net_10.0 >= 10.0.0 < 10.0.10",".net_8.0 >= 8.0.0 < 8.0.29",".net_9.0 >= 9.0.0 < 9.0.18"],"ssvc":{"exploitation":"none","automatable":"yes","technicalImpact":"partial","timestamp":"2026-07-14T18:01:16.350363Z"},"published":"2026-07-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:33:37.290Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-57108","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-57108","label":".NET Denial of Service Vulnerability"},{"url":"https://github.com/dotnet/runtime/security/advisories/GHSA-rp2p-6cmp-jxj9"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-57108"},{"url":"https://github.com/dotnet/announcements/issues/408"},{"url":"https://github.com/dotnet/runtime/issues/130707"},{"url":"https://github.com/advisories/GHSA-rp2p-6cmp-jxj9"}],"tags":["cve.org","ghsa","nuget"],"epss":0.01105,"epssPercentile":0.63832,"aliases":["GHSA-rp2p-6cmp-jxj9"],"ecosystem":"nuget","patched":["Microsoft.NetCore.App.Runtime.linux-arm 10.0.10","Microsoft.NetCore.App.Runtime.linux-arm64 10.0.10","Microsoft.NetCore.App.Runtime.linux-musl-arm 10.0.10","Microsoft.NetCore.App.Runtime.linux-musl-arm64 10.0.10","Microsoft.NetCore.App.Runtime.linux-musl-x64 10.0.10","Microsoft.NetCore.App.Runtime.linux-x64 10.0.10","Microsoft.NetCore.App.Runtime.osx-arm64 10.0.10","Microsoft.NetCore.App.Runtime.osx-x64 10.0.10","Microsoft.NetCore.App.Runtime.linux-arm 9.0.18","Microsoft.NetCore.App.Runtime.linux-arm64 9.0.18","Microsoft.NetCore.App.Runtime.linux-musl-arm 9.0.18","Microsoft.NetCore.App.Runtime.linux-musl-arm64 9.0.18","Microsoft.NetCore.App.Runtime.linux-musl-x64 9.0.18","Microsoft.NetCore.App.Runtime.linux-x64 9.0.18","Microsoft.NetCore.App.Runtime.osx-arm64 9.0.18","Microsoft.NetCore.App.Runtime.osx-x64 9.0.18","Microsoft.NetCore.App.Runtime.linux-arm 8.0.29","Microsoft.NetCore.App.Runtime.linux-arm64 8.0.29","Microsoft.NetCore.App.Runtime.linux-musl-arm 8.0.29","Microsoft.NetCore.App.Runtime.linux-musl-arm64 8.0.29","Microsoft.NetCore.App.Runtime.linux-musl-x64 8.0.29","Microsoft.NetCore.App.Runtime.linux-x64 8.0.29","Microsoft.NetCore.App.Runtime.osx-arm64 8.0.29","Microsoft.NetCore.App.Runtime.osx-x64 8.0.29"],"ingestedAt":"2026-07-20T22:43:34.896Z","slug":"CVE-2026-57108","body":"## Overview\n\nAccess of resource using incompatible type ('type confusion') in .NET Core allows an unauthorized attacker to deny service over a network.\n\n## Affected\n\n- `.net_10.0 >= 10.0.0 < 10.0.10`\n- `.net_8.0 >= 8.0.0 < 8.0.29`\n- `.net_9.0 >= 9.0.0 < 9.0.18`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-57108)\n\nAffected packages:\n\n- `Microsoft.NetCore.App.Runtime.linux-arm >= 10.0.0, <= 10.0.9`\n- `Microsoft.NetCore.App.Runtime.linux-arm64 >= 10.0.0, <= 10.0.9`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm >= 10.0.0, <= 10.0.9`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 >= 10.0.0, <= 10.0.9`\n- `Microsoft.NetCore.App.Runtime.linux-musl-x64 >= 10.0.0, <= 10.0.9`\n- `Microsoft.NetCore.App.Runtime.linux-x64 >= 10.0.0, <= 10.0.9`\n- `Microsoft.NetCore.App.Runtime.osx-arm64 >= 10.0.0, <= 10.0.9`\n- `Microsoft.NetCore.App.Runtime.osx-x64 >= 10.0.0, <= 10.0.9`\n- `Microsoft.NetCore.App.Runtime.linux-arm >= 9.0.0, <= 9.0.17`\n- `Microsoft.NetCore.App.Runtime.linux-arm64 >= 9.0.0, <= 9.0.17`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm >= 9.0.0, <= 9.0.17`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 >= 9.0.0, <= 9.0.17`\n- `Microsoft.NetCore.App.Runtime.linux-musl-x64 >= 9.0.0, <= 9.0.17`\n- `Microsoft.NetCore.App.Runtime.linux-x64 >= 9.0.0, <= 9.0.17`\n- `Microsoft.NetCore.App.Runtime.osx-arm64 >= 9.0.0, <= 9.0.17`\n- `Microsoft.NetCore.App.Runtime.osx-x64 >= 9.0.0, <= 9.0.17`\n- `Microsoft.NetCore.App.Runtime.linux-arm >= 8.0.0, <= 8.0.28`\n- `Microsoft.NetCore.App.Runtime.linux-arm64 >= 8.0.0, <= 8.0.28`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm >= 8.0.0, <= 8.0.28`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 >= 8.0.0, <= 8.0.28`\n- `Microsoft.NetCore.App.Runtime.linux-musl-x64 >= 8.0.0, <= 8.0.28`\n- `Microsoft.NetCore.App.Runtime.linux-x64 >= 8.0.0, <= 8.0.28`\n- `Microsoft.NetCore.App.Runtime.osx-arm64 >= 8.0.0, <= 8.0.28`\n- `Microsoft.NetCore.App.Runtime.osx-x64 >= 8.0.0, <= 8.0.28`\n\nPatched in:\n\n- `Microsoft.NetCore.App.Runtime.linux-arm 10.0.10`\n- `Microsoft.NetCore.App.Runtime.linux-arm64 10.0.10`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm 10.0.10`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 10.0.10`\n- `Microsoft.NetCore.App.Runtime.linux-musl-x64 10.0.10`\n- `Microsoft.NetCore.App.Runtime.linux-x64 10.0.10`\n- `Microsoft.NetCore.App.Runtime.osx-arm64 10.0.10`\n- `Microsoft.NetCore.App.Runtime.osx-x64 10.0.10`\n- `Microsoft.NetCore.App.Runtime.linux-arm 9.0.18`\n- `Microsoft.NetCore.App.Runtime.linux-arm64 9.0.18`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm 9.0.18`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 9.0.18`\n- `Microsoft.NetCore.App.Runtime.linux-musl-x64 9.0.18`\n- `Microsoft.NetCore.App.Runtime.linux-x64 9.0.18`\n- `Microsoft.NetCore.App.Runtime.osx-arm64 9.0.18`\n- `Microsoft.NetCore.App.Runtime.osx-x64 9.0.18`\n- `Microsoft.NetCore.App.Runtime.linux-arm 8.0.29`\n- `Microsoft.NetCore.App.Runtime.linux-arm64 8.0.29`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm 8.0.29`\n- `Microsoft.NetCore.App.Runtime.linux-musl-arm64 8.0.29`\n- `Microsoft.NetCore.App.Runtime.linux-musl-x64 8.0.29`\n- `Microsoft.NetCore.App.Runtime.linux-x64 8.0.29`\n- `Microsoft.NetCore.App.Runtime.osx-arm64 8.0.29`\n- `Microsoft.NetCore.App.Runtime.osx-x64 8.0.29`\n\nSource: https://github.com/advisories/GHSA-rp2p-6cmp-jxj9","depth":"twilight","depthScore":41,"depthScoreParts":{"impact":41.3,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}