CVE-2026-70174High· 8.8▾ TwilightImproperly implemented security check for standard in .NET allows an unauthorized attacker to execute code over a network.
▾ Twilight zone — High severity, or a signal on a lesser flaw
impact 48.4 · likelihood 0 · exploitation 0
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Improperly implemented security check for standard in .NET allows an unauthorized attacker to execute code over a network.
Refer to the linked advisories for vendor-supplied fixes and affected version ranges.
Affected packages:
Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 8.0.0, <= 8.0.31Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 8.0.0, <= 8.0.31Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 8.0.0, <= 8.0.31Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 9.0.0, <= 9.0.20Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 9.0.0, <= 9.0.20Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 9.0.0, <= 9.0.20Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 10.0.0, <= 10.0.12Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 10.0.0, <= 10.0.12Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 10.0.0, <= 10.0.12Microsoft.WindowsDesktop.App.Runtime.win-arm64 >= 11.0.0-preview.1, <= 11.0.0-rc.1Microsoft.WindowsDesktop.App.Runtime.win-x64 >= 11.0.0-preview.1, <= 11.0.0-rc.1Microsoft.WindowsDesktop.App.Runtime.win-x86 >= 11.0.0-preview.1, <= 11.0.0-rc.1Patched in:
Microsoft.WindowsDesktop.App.Runtime.win-arm64 8.0.32Microsoft.WindowsDesktop.App.Runtime.win-x64 8.0.32Microsoft.WindowsDesktop.App.Runtime.win-x86 8.0.32Microsoft.WindowsDesktop.App.Runtime.win-arm64 9.0.21Microsoft.WindowsDesktop.App.Runtime.win-x64 9.0.21Microsoft.WindowsDesktop.App.Runtime.win-x86 9.0.21Microsoft.WindowsDesktop.App.Runtime.win-arm64 10.0.13Microsoft.WindowsDesktop.App.Runtime.win-x64 10.0.13Microsoft.WindowsDesktop.App.Runtime.win-x86 10.0.13Microsoft.WindowsDesktop.App.Runtime.win-arm64 11.0.0-rc.2Microsoft.WindowsDesktop.App.Runtime.win-x64 11.0.0-rc.2Microsoft.WindowsDesktop.App.Runtime.win-x86 11.0.0-rc.2Connected by shared product, vendor, weakness, or advisory.
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