{"id":"CVE-2026-62902","title":".NET Information Disclosure Vulnerability","summary":"Inclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network.","severity":"medium","cvss":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-829","CWE-693","CWE-918"],"vendor":"Microsoft","product":".NET 8.0","affected":[".net_8.0 >= 8.0.0 < 8.0.30",".net_9.0 >= 9.0.0 < 9.0.19","visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.38","visual_studio_2026_version_18.8 >= 18.0 < 18.8.3"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-08-12T13:29:33.987288Z"},"published":"2026-08-11","updated":"2026-09-16","sourceUpdated":"2026-09-16T16:24:09.617Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-62902","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-62902","label":".NET Information Disclosure Vulnerability"},{"url":"https://github.com/dotnet/wpf/security/advisories/GHSA-9mrh-pw7c-9mqm"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-62902"},{"url":"https://github.com/dotnet/announcements/issues/433"},{"url":"https://github.com/advisories/GHSA-9mrh-pw7c-9mqm"}],"tags":["cve.org","ghsa","nuget"],"epss":0.00778,"epssPercentile":0.54387,"aliases":["GHSA-9mrh-pw7c-9mqm"],"ecosystem":"nuget","patched":["Microsoft.WindowsDesktop.App.Runtime.win-arm64 10.0.11","Microsoft.WindowsDesktop.App.Runtime.win-x64 10.0.11","Microsoft.WindowsDesktop.App.Runtime.win-x86 10.0.11","Microsoft.WindowsDesktop.App.Runtime.win-arm64 9.0.19","Microsoft.WindowsDesktop.App.Runtime.win-x64 9.0.19","Microsoft.WindowsDesktop.App.Runtime.win-x86 9.0.19","Microsoft.WindowsDesktop.App.Runtime.win-arm64 8.0.30","Microsoft.WindowsDesktop.App.Runtime.win-x64 8.0.30","Microsoft.WindowsDesktop.App.Runtime.win-x86 8.0.30"],"ingestedAt":"2026-08-11T20:48:49.053Z","slug":"CVE-2026-62902","body":"## Overview\n\nInclusion of functionality from untrusted control sphere in .NET allows an unauthorized attacker to disclose information over a network.\n\n## Affected\n\n- `.net_8.0 >= 8.0.0 < 8.0.30`\n- `.net_9.0 >= 9.0.0 < 9.0.19`\n- `visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.38`\n- `visual_studio_2026_version_18.8 >= 18.0 < 18.8.3`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-62902)\n\nAffected packages:\n\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 10.0.0, <= 10.0.10`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 10.0.0, <= 10.0.10`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 10.0.0, <= 10.0.10`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 9.0.0, <= 9.0.18`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 9.0.0, <= 9.0.18`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 9.0.0, <= 9.0.18`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 8.0.0, <= 8.0.29`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 8.0.0, <= 8.0.29`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 8.0.0, <= 8.0.29`\n\nPatched in:\n\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 10.0.11`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 10.0.11`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 10.0.11`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 9.0.19`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 9.0.19`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 9.0.19`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 8.0.30`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 8.0.30`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 8.0.30`\n\nSource: https://github.com/advisories/GHSA-9mrh-pw7c-9mqm","depth":"sunlit","depthScore":36,"depthScoreParts":{"impact":35.8,"likelihood":0.2,"exploitation":0,"ransomware":0},"changes":[]}