{"id":"CVE-2026-114148","title":"ASP.NET Core Elevation of Privilege Vulnerability","summary":"Incorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-276"],"vendor":"Microsoft","product":".NET 10.0 installed on Linux","affected":[".net_10.0_installed_on_linux >= 10.0.0 < 10.0.403",".net_10.0_installed_on_mac_os >= 10.0.0 < 10.0.403",".net_10.0_installed_on_windows >= 10.0.0 < 10.0.403",".net_11.0_installed_on_linux >= 11.0.0-preview.1 < 11.0.100-rc.3",".net_11.0_installed_on_mac_os >= 11.0.0-preview.1 < 11.0.100-rc.3",".net_11.0_installed_on_windows >= 11.0.0-preview.1 < 11.0.100-rc.3",".net_8.0_installed_on_linux >= 8.0.0 < 8.0.427",".net_8.0_installed_on_mac_os >= 8.0.0 < 8.0.427",".net_8.0_installed_on_windows >= 8.0.0 < 8.0.427",".net_9.0_installed_on_linux >= 9.0.0 < 9.0.320",".net_9.0_installed_on_mac_os >= 9.0.0 < 9.0.320",".net_9.0_installed_on_windows >= 9.0.0 < 9.0.320",".net_source-build_linux_tarballs_all_archive_types >= 8.0.100 < 10.0.403-servicing.26523.112","asp.net_core_runtime_and_targeting-pack_linux_tarballs_microsoft-published >= 8.0.0 < 9.0.22"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-10-30T13:38:21.442156Z"},"exploitAvailable":true,"published":"2026-10-29","updated":"2026-10-31","sourceUpdated":"2026-10-31T18:13:34.093Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-114148","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-114148","label":"ASP.NET Core Elevation of Privilege Vulnerability"}],"tags":["cve.org","exploit-available"],"epss":0.00355,"epssPercentile":0.29337,"exploits":{"github":1,"githubRepos":["https://github.com/Ghost-Bx1/DotNet-Tarball-CVE-2026-114148"],"checkedAt":"2026-11-05T18:29:26.737Z"},"ingestedAt":"2026-11-05T18:28:50.640Z","slug":"CVE-2026-114148","body":"## Overview\n\nIncorrect default permissions in ASP.NET Core allows an authorized attacker to elevate privileges locally.\n\n## Affected\n\n- `.net_10.0_installed_on_linux >= 10.0.0 < 10.0.403`\n- `.net_10.0_installed_on_mac_os >= 10.0.0 < 10.0.403`\n- `.net_10.0_installed_on_windows >= 10.0.0 < 10.0.403`\n- `.net_11.0_installed_on_linux >= 11.0.0-preview.1 < 11.0.100-rc.3`\n- `.net_11.0_installed_on_mac_os >= 11.0.0-preview.1 < 11.0.100-rc.3`\n- `.net_11.0_installed_on_windows >= 11.0.0-preview.1 < 11.0.100-rc.3`\n- `.net_8.0_installed_on_linux >= 8.0.0 < 8.0.427`\n- `.net_8.0_installed_on_mac_os >= 8.0.0 < 8.0.427`\n- `.net_8.0_installed_on_windows >= 8.0.0 < 8.0.427`\n- `.net_9.0_installed_on_linux >= 9.0.0 < 9.0.320`\n- `.net_9.0_installed_on_mac_os >= 9.0.0 < 9.0.320`\n- `.net_9.0_installed_on_windows >= 9.0.0 < 9.0.320`\n- `.net_source-build_linux_tarballs_all_archive_types >= 8.0.100 < 10.0.403-servicing.26523.112`\n- `asp.net_core_runtime_and_targeting-pack_linux_tarballs_microsoft-published >= 8.0.0 < 9.0.22`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"midnight","depthScore":55,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}