Description
A tampering vulnerability exists when .NET Core improperly handles specially crafted files. An attacker who successfully exploited this vulnerability could write arbitrary files and directories to certain locations on a vulnerable system. However, an attacker would have limited control over the destination of the files and directories. To exploit the vulnerability, an attacker must send a specially crafted file to a vulnerable system. The security update fixes the vulnerability by ensuring .NET Core properly handles files.
Affected products
Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.
Microsoft .NET 10.0
10.0.0 to < 10.0.8affected
Microsoft .NET 8.0
8.0.0 to < 8.0.27affected
Microsoft .NET 9.0
9.0.0 to < 9.0.16affected
Microsoft Microsoft Visual Studio 2022 version 17.12
17.12.0 to < 17.12.20affected
Microsoft Microsoft Visual Studio 2022 version 17.14
17.14.0 to < 17.14.32affected
Microsoft Microsoft Visual Studio 2026 version 18.5
18.5.0 to < 18.5.3affected