Microsoft urges PowerShell users to upgrade to protect against critical vulnerability

Microsoft has issued a warning to users of PowerShell 7.0 and 7.1 to update their software to protect against a .NET Core remote code execution vulnerability. Tracked as CVE-2021-26701, the vulnerability is described as critical and could affect Windows, macOS and Linux. The security issue has been known about for a little while, but Microsoft is only now urging users to install updates to ensure that they are protected.