{"id":"CVE-2026-45490","details":"Improper authorization in .NET allows an authorized attacker to elevate privileges locally.","aliases":["BIT-dotnet-2026-45490","BIT-dotnet-sdk-2026-45490"],"modified":"2026-07-26T03:40:49.149984Z","published":"2026-06-09T17:17:25.447Z","references":[{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-45490"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-45490.json"},{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-45490"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2487184"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dotnet/core","events":[{"introduced":"d78b3180414d35d6c7d136db753474e2ae2b33df"},{"fixed":"b86d3269327efd2cf7bbffab6c0b029d55545972"},{"introduced":"e18becd6171b8eb0eb4ec7ea8a0280cacfcee36b"},{"fixed":"d816e844173174eda81ec457144442c46edb6055"},{"introduced":"0e06b3b745aaf3f2f96e5f163773d20f8c7f7f50"},{"fixed":"d816e844173174eda81ec457144442c46edb6055"}],"database_specific":{"source":"CPE_RANGE","cpe":"cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"8.0.0"},{"fixed":"8.0.28"},{"introduced":"9.0.0"},{"fixed":"9.0.17"},{"introduced":"10.0.0"},{"fixed":"10.0.9"}]}}],"versions":["v8.0.28","v11.0.0-preview.4","v9.0.16","v8.0.27","v10.0.8","v10.0.7","v11.0.0-preview.3","v10.0.6","v9.0.15","v8.0.26","v10.0.5","v9.0.14","v8.0.25","v11.0.0-preview.2","v10.0.4","v11.0.0-preview.1","v9.0.13","v8.0.24","v10.0.3","v9.0.12","v8.0.23","v10.0.2","v10.0.1","v9.0.11","v8.0.22","v10.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-45490.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"}]}