Out-of-bounds Write Affecting microsoft.windowsdesktop.app.runtime.win-arm64 package, versions [8.0.0,8.0.30)[9.0.0,9.0.19)[10.0.0,10.0.11)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-DOTNET-MICROSOFTWINDOWSDESKTOPAPPRUNTIMEWINARM64-18689769
- published12 Aug 2026
- disclosed11 Aug 2026
- creditUnknown
Introduced: 11 Aug 2026
NewCVE-2026-70354 (opens in a new tab)How to fix?
Upgrade Microsoft.WindowsDesktop.App.Runtime.win-arm64 to version 8.0.30, 9.0.19, 10.0.11 or higher.
Overview
Affected versions of this package are vulnerable to Out-of-bounds Write via the process. An attacker can execute arbitrary code with high confidentiality, integrity, and availability impact by triggering an out-of-bounds write through crafted input during local execution with required user interaction.