NetSight
high7.8

CVE-2026-50649

Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally.

Impact

Deserialization of untrusted data in .NET allows an unauthorized attacker to execute code locally.

Affected products

VendorProductAffected versions
Microsoft.Net Framework
Versions 4.8.1, 4.8, 4.6.2, 4.7, 4.7.1, 4.7.2
Microsoft.Net
from 8.0.0 before 8.0.29
from 9.0.0 before 9.0.18
MicrosoftVisual Studio 2026
from 18.7.0 before 18.7.4
Microsoft.NET 8.0 Runtime
from 8.0.0 before 8.0.29
Microsoft.NET 9.0 Runtime
from 9.0.0 before 9.0.18
MicrosoftMicrosoft .NET Framework 3.5
from 3.5.0 before 2.0.50727.9182 & 3.0.30729.9168
Version 3.5.0 <2.0.50727.9182 & 3.0.30729.9168
MicrosoftMicrosoft .NET Framework 3.5 AND 4.7.2
from 4.7.0 before 2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0
Version 4.7.0 <2.0.50727.9069 & 3.0.30729.9067 & 4.7.4143.0
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8
from 4.8.0 before 2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0
Version 4.8.0 <2.0.50727.9069 & 3.0.30729.9067 & 4.8.4803.0
MicrosoftMicrosoft .NET Framework 3.5 AND 4.8.1
from 4.8.1 before 2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0
Version 4.8.1 <2.0.50727.9182 & 3.0.30729.9168 & 4.8.9339.0
MicrosoftMicrosoft .NET Framework 4.6.2/4.7/4.7.1/4.7.2
from 4.7.0 before 4.7.4143.0
MicrosoftMicrosoft .NET Framework 4.8
from 4.8.0 before 4.8.4803.0
MicrosoftMicrosoft .NET Framework 4.8.1
from 4.8.0.0 before 4.8.9340.0
MicrosoftMicrosoft Visual Studio 2026 Version 18.7
from 18.0 before 18.7.4

Weakness classification

References