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{"bugzilla": {"description": "ASP.NET Core: ASP.NET: ASP.NET Core: Privilege escalation via improper cryptographic signature verification", "id": "2460224", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2460224"}, "csaw": false, "cvss3": {"cvss3_base_score": "9.1", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N", "status": "draft"}, "cwe": "CWE-347", "details": ["A flaw was found in ASP.NET Core due to improper verification of cryptographic signatures. An unauthorized attacker can exploit this vulnerability remotely over a network, leading to privilege escalation."], "name": "CVE-2026-40372", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "dotnet9.0", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "dotnet10.0", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Not affected", "package_name": "dotnet9.0", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-04-21T19:20:50Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-40372\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-40372\nhttps://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-40372"], "statement": "No Red Hat products are affected as this vulnerability is specific to Microsoft.AspNetCore.DataProtection 10.0.6 from NuGet.", "threat_severity": "Critical"}