Content Security Policy enforcement on login.microsoftonline.com will stop browser extensions from injecting code during authentication. No workaround. No exceptions.
Windows Report on MSN
Microsoft is about to block injected scripts on Entra ID sign-ins
Microsoft will enforce new CSP protections for Entra ID sign-ins in October, blocking unsupported scripts and some browser extensions.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results