See Minnestoa Voters Alliance v. Mansky, 585 U.S. ___ (2018):
the State may prohibit
messages intended to mislead voters about voting requirements and
procedures
See also People v. Burkman, ___ N.W. 3d ___ (Mich. June 13, 2024). The Supreme Court of Michigan found a criminal provision constitutional because it caught only "intentionally false speech that is related to voting requirements or procedures and is made in an attempt to deter or influence an elector's vote."
A person has been convicted of conspiring to interfere with voting rights by spreading messages on social media that falsely alleged that people could vote for then presidential candidate Hillary Clinton via text message (Department of Justice, "Social Media Influencer Sentenced for Election Interference in 2016 Presidential Race").