CVE-2026-45490

A flaw was found in the .NET SDK dotnet.exe workload command on Windows. Insufficient access controls on a named pipe could allow a local attacker to perform arbitrary file creation or truncation operations with the privileges of another local user. This issue may lead to privilege escalation and unauthorized access, modification, or destruction of data belonging to the targeted user.

Red Hat products are not affected by this vulnerability. The issue is specific to the .NET SDK workload management functionality on Microsoft Windows systems and does not impact Red Hat supported platforms.

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.