{"id":"CVE-2026-40372","details":"Improper verification of cryptographic signature in ASP.NET Core allows an unauthorized attacker to elevate privileges over a network.","aliases":["BIT-aspnet-core-2026-40372","GHSA-9mv3-2cwr-p262"],"modified":"2026-07-22T03:57:15.568177Z","published":"2026-04-21T20:16:59.133Z","references":[{"type":"WEB","url":"https://access.redhat.com/security/cve/CVE-2026-40372"},{"type":"WEB","url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-40372.json"},{"type":"ADVISORY","url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40372"},{"type":"REPORT","url":"https://bugzilla.redhat.com/show_bug.cgi?id=2460224"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/dotnet/aspnetcore","events":[{"introduced":"7387de91234d3ef751fa50b3d1bfede4130213ff"},{"fixed":"2130ebfe92a66d6a7a79647ca1f209f10cb9a0eb"}],"database_specific":{"cpe":"cpe:2.3:a:microsoft:asp.net_core:*:*:*:*:*:*:*:*","extracted_events":[{"introduced":"10.0.0"},{"fixed":"10.0.7"}],"source":"CPE_RANGE"}}],"versions":["v10.0.5","v10.0.4","v10.0.3","v10.0.2","v10.0.1","v10.0.0"],"database_specific":{"source":"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-40372.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N"}]}