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)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.47% (38th percentile)

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  • Snyk IDSNYK-DOTNET-MICROSOFTWINDOWSDESKTOPAPPRUNTIMEWINARM64-20158663
  • published27 Sept 2026
  • disclosed11 Aug 2026
  • creditUnknown

Introduced: 11 Aug 2026

CVE-2026-62871  (opens in a new tab)
CWE-122  (opens in a new tab)
CWE-787  (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 memory management process. An attacker can achieve arbitrary code execution by supplying crafted input that triggers an out-of-bounds write during local execution with user interaction.

CVSS Base Scores

version 4.0
version 3.1