CVE-2026-50646High· 7.8▾ TwilightProtection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 42.9 · likelihood 0.2 · exploitation 0
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Stakeholder-Specific Vulnerability Categorization from CISA's ADP record at CVE.org: whether exploitation is observed, whether an attack can be automated, and how much of the system is at stake. The CVSS score shown above comes from the assigning CNA record, not NVD.
Exploit-prediction probability, daily snapshots since Sep 8.
Disclosure to exploitation, from the record and what we observed since indexing it.
Disclosed via CVEORG
1.0%
Last analysed / modified upstream
Protection mechanism failure in .NET Framework allows an unauthorized attacker to execute code locally.
.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 < 2.0.50727.8983 & 3.0.30729.8978 & 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 < 4.8.4803.0visual_studio_2022_version_17.12 >= 17.12.0 < 17.12.22visual_studio_2022_version_17.14 >= 17.14.0 < 17.14.36visual_studio_2026_version_18.7 >= 18.0 < 18.7.4Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 10.0.0, <= 10.0.9Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 10.0.0, <= 10.0.9Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 10.0.0, <= 10.0.9Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 9.0.0, <= 9.0.17Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 9.0.0, <= 9.0.17Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 9.0.0, <= 9.0.17Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 8.0.0, <= 8.0.28Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 8.0.0, <= 8.0.28Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 8.0.0, <= 8.0.28Patched in:
Microsoft.WindowsDesktop.App.Runtime.win-x64 10.0.10Microsoft.WindowsDesktop.App.Runtime.win-x86 10.0.10Microsoft.WindowsDesktop.App.Runtime.win-arm64 10.0.10Microsoft.WindowsDesktop.App.Runtime.win-x64 9.0.18Microsoft.WindowsDesktop.App.Runtime.win-x86 9.0.18Microsoft.WindowsDesktop.App.Runtime.win-arm64 9.0.18Microsoft.WindowsDesktop.App.Runtime.win-x64 8.0.29Microsoft.WindowsDesktop.App.Runtime.win-x86 8.0.29Microsoft.WindowsDesktop.App.Runtime.win-arm64 8.0.29Connected by shared product, vendor, weakness, or advisory.
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