{"id":"CVE-2026-50650","title":".NET Framework Elevation of Privilege Vulnerability","summary":"Improper control of generation of code ('code injection') in .NET Framework allows an unauthorized attacker to elevate privileges locally.","severity":"high","cvss":7.8,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C","cvssSource":"cna","cwe":["CWE-94"],"vendor":"Microsoft","product":".NET 8.0","affected":[".net_8.0 >= 8.0.0 < 8.0.29",".net_9.0 >= 9.0.0 < 9.0.18",".net_framework_3.5 >= 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978",".net_framework_3.5_and_4.7.2 >= 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0",".net_framework_3.5_and_4.8 >= 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0",".net_framework_3.5_and_4.8.1 >= 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0",".net_framework_4.6.2_4.7_4.7.1_4.7.2 >= 4.7.0 < 4.7.4143.0",".net_framework_4.8 >= 4.8.0 < 4.8.4803.0","visual_studio_2022_version_17.12 >= 17.12.0 < 17.12.22","visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.36","visual_studio_2026_version_18.7 >= 18.0 < 18.7.4"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-15T03:57:16.992459Z"},"published":"2026-07-14","updated":"2026-09-17","sourceUpdated":"2026-09-17T22:32:07.126Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-50650","references":[{"url":"https://msrc.microsoft.com/update-guide/vulnerability/CVE-2026-50650","label":".NET Framework Elevation of Privilege Vulnerability"},{"url":"https://github.com/dotnet/wpf/security/advisories/GHSA-2969-4q4w-w5h3"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-50650"},{"url":"https://github.com/dotnet/announcements/issues/421"},{"url":"https://github.com/dotnet/wpf/issues/11784"},{"url":"https://github.com/advisories/GHSA-2969-4q4w-w5h3"}],"tags":["cve.org","ghsa","nuget"],"epss":0.00296,"epssPercentile":0.22486,"aliases":["GHSA-2969-4q4w-w5h3"],"ecosystem":"nuget","patched":["Microsoft.WindowsDesktop.App.Runtime.win-x64 10.0.10","Microsoft.WindowsDesktop.App.Runtime.win-x86 10.0.10","Microsoft.WindowsDesktop.App.Runtime.win-arm64 10.0.10","Microsoft.WindowsDesktop.App.Runtime.win-x64 9.0.18","Microsoft.WindowsDesktop.App.Runtime.win-x86 9.0.18","Microsoft.WindowsDesktop.App.Runtime.win-arm64 9.0.18","Microsoft.WindowsDesktop.App.Runtime.win-x64 8.0.29","Microsoft.WindowsDesktop.App.Runtime.win-x86 8.0.29","Microsoft.WindowsDesktop.App.Runtime.win-arm64 8.0.29"],"ingestedAt":"2026-07-21T16:51:41.882Z","slug":"CVE-2026-50650","body":"## Overview\n\nImproper control of generation of code ('code injection') in .NET Framework allows an unauthorized attacker to elevate privileges locally.\n\n## Affected\n\n- `.net_8.0 >= 8.0.0 < 8.0.29`\n- `.net_9.0 >= 9.0.0 < 9.0.18`\n- `.net_framework_3.5 >= 3.5.0 < 2.0.50727.8983 & 3.0.30729.8978`\n- `.net_framework_3.5_and_4.7.2 >= 4.7.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0`\n- `.net_framework_3.5_and_4.8 >= 4.8.0 < 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0`\n- `.net_framework_3.5_and_4.8.1 >= 4.8.1 < 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0`\n- `.net_framework_4.6.2_4.7_4.7.1_4.7.2 >= 4.7.0 < 4.7.4143.0`\n- `.net_framework_4.8 >= 4.8.0 < 4.8.4803.0`\n- `visual_studio_2022_version_17.12 >= 17.12.0 < 17.12.22`\n- `visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.36`\n- `visual_studio_2026_version_18.7 >= 18.0 < 18.7.4`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Package advisory (CVE-2026-50650)\n\nAffected packages:\n\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 10.0.0, <= 10.0.9`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 10.0.0, <= 10.0.9`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 10.0.0, <= 10.0.9`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 9.0.0, <= 9.0.17`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 9.0.0, <= 9.0.17`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 9.0.0, <= 9.0.17`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 8.0.0, <= 8.0.28`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 8.0.0, <= 8.0.28`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 8.0.0, <= 8.0.28`\n\nPatched in:\n\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 10.0.10`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 10.0.10`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 10.0.10`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 9.0.18`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 9.0.18`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 9.0.18`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x64 8.0.29`\n- `Microsoft.WindowsDesktop.App.Runtime.win-x86 8.0.29`\n- `Microsoft.WindowsDesktop.App.Runtime.win-arm64 8.0.29`\n\nSource: https://github.com/advisories/GHSA-2969-4q4w-w5h3","depth":"twilight","depthScore":43,"depthScoreParts":{"impact":42.9,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}