Microsoft Security Advisory CVE-2026-50646 – .NET Remote Code Execution Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Windows Presentation Foundation WPF. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A remote code execution...

GHSA-GH2H-RHPH-H37G Microsoft Security Advisory CVE-2026-50646 – .NET Remote Code Execution Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in Windows Presentation Foundation WPF. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A remote code execution...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via XAML parsing in Windows Presentation Foundation WPF. An attacker can execute arbitrary code by supplying specially crafted XAML input that is processed by a vulnerable WPF application. Improper handling of...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via XAML parsing in Windows Presentation Foundation WPF. An attacker can execute arbitrary code by supplying specially crafted XAML input that is processed by a vulnerable WPF application. Improper handling of...

Arbitrary Code Injection

Overview Affected versions of this package are vulnerable to Arbitrary Code Injection via XAML parsing in Windows Presentation Foundation WPF. An attacker can execute arbitrary code by supplying specially crafted XAML input that is processed by a vulnerable WPF application. Improper handling of...

Arbitrary Code Injection

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...

Arbitrary Code Injection

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...

Arbitrary Code Injection

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...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data via XAML parsing in Windows Presentation Foundation WPF. An attacker can execute arbitrary code by supplying specially crafted XAML input that is processed by a vulnerable WPF application. Successful...

Deserialization of Untrusted Data

Overview Affected versions of this package are vulnerable to Deserialization of Untrusted Data via XAML parsing in Windows Presentation Foundation WPF. An attacker can execute arbitrary code by supplying specially crafted XAML input that is processed by a vulnerable WPF application. Successful...