CVE number = CVE-2021-26701
Microsoft is advising users to upgrade their installations of PowerShell 7 as soon as possible to protect themselves against a .NET remote code execution (RCE) vulnerability.
There are no mitigation steps available to prevent the exploitation of the security issue identified. Customers are advised to update to PowerShell 7.0.6 and 7.1.3 as soon as possible in order to safeguard their systems from potential threats.
The vulnerable package is System.Text.Encodings.Web . Upgrading your package and redeploying your app should be sufficient to address this vulnerability.