Arbitrary Code Injection Affecting microsoft.windowsdesktop.app.runtime.win-x86 package, versions [8.0.0,8.0.29)[9.0.0,9.0.18)[10.0.0,10.0.10)


Severity

Recommended
0.0
high
0
10

CVSS assessment by Snyk's Security Team. Learn more

Threat Intelligence

EPSS
0.3% (22nd percentile)

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  • Snyk IDSNYK-DOTNET-MICROSOFTWINDOWSDESKTOPAPPRUNTIMEWINX86-17979890
  • published15 Jul 2026
  • disclosed15 Jul 2026
  • credit41ae55e9310ff27fa6f26af4727e5590

Introduced: 15 Jul 2026

CVE-2026-50650  (opens in a new tab)
CWE-94  (opens in a new tab)

How to fix?

Upgrade Microsoft.WindowsDesktop.App.Runtime.win-x86 to version 8.0.29, 9.0.18, 10.0.10 or higher.

Overview

Affected versions of this package are vulnerable to Arbitrary Code Injection via XAML parsing in Windows Presentation Foundation (WPF). An attacker can elevate privileges by supplying specially crafted XAML input that is improperly processed by a vulnerable WPF application. Successful exploitation allows the attacker to execute operations with higher privileges than intended.

CVSS Base Scores

version 4.0
version 3.1