{"id":"CVE-2026-47304","revision":"dc1f07342913424595a771338392a3b4","records":[{"revision":"dc1f07342913424595a771338392a3b4","observedAt":"2026-10-25T12:17:26.301+00:00","statement":{"source":"nvd","id":"CVE-2026-47304","aliases":[],"title":"Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.","description":"Improper verification of cryptographic signature in .NET allows an unauthorized attacker to bypass a security feature over a network.","state":0,"publishedAt":"2026-07-14T19:17:08.83+00:00","modifiedAt":"2026-07-24T13:39:57.83+00:00","affected":[],"metrics":[{"system":"CVSS 3.1 · secure@microsoft.com · Secondary","vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H","score":8.1,"severity":"HIGH"},{"system":"CVSS 3.1 · nvd@nist.gov · Primary","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","score":9.8,"severity":"CRITICAL"}],"references":["https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-47304"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-47304","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Analyzed","weaknesses":["CWE-345","CWE-347"],"productCriteria":["cpe:2.3:a:microsoft:.net_framework:4.8.1:*:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:arm64:*","cpe:2.3:o:microsoft:windows_11_26h1:-:*:*:*:*:*:x64:*","cpe:2.3:a:microsoft:.net_framework:4.8:*:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1607:-:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_server_2012:-:*:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_server_2012:r2:*:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_server_2016:-:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net_framework:4.6.2:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net_framework:4.7:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net_framework:4.7.1:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net_framework:4.7.2:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net_framework:3.5:-:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:arm64:*","cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_21h2:-:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:arm64:*","cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_22h2:-:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:arm64:*","cpe:2.3:o:microsoft:windows_11_23h2:-:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:arm64:*","cpe:2.3:o:microsoft:windows_11_24h2:-:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:arm64:*","cpe:2.3:o:microsoft:windows_11_25h2:-:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_server_2022:-:*:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_server_2025:-:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:.net:*:*:*:*:*:*:*:*","cpe:2.3:o:apple:macos:-:*:*:*:*:*:*:*","cpe:2.3:o:linux:linux_kernel:-:*:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows:-:*:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x64:*","cpe:2.3:o:microsoft:windows_10_1809:-:*:*:*:*:*:x86:*","cpe:2.3:o:microsoft:windows_server_2019:-:*:*:*:*:*:*:*","cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:arm64:*","cpe:2.3:o:microsoft:windows_11_26h1:*:*:*:*:*:*:x64:*","cpe:2.3:a:microsoft:visual_studio_2017:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2019:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2022:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2026:*:*:*:*:*:*:*:*","cpe:2.3:a:microsoft:visual_studio_2026:18.5.0:*:*:*:*:*:*:*"],"sourceDates":{"published":"2026-07-14T19:17:08.830","lastModified":"2026-07-24T13:39:57.830"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-47304","identifiers":["CVE-2026-47304"]},"retained":false,"historicalAffected":[]}],"coverage":[]}