2 situations where a user does not need a CC license.
It is up to the creator of a new work to ensure that there are no rights attached to the works used to create their own work.
To see how fair dealing applies to student work see our guide to Copyright Guidelines.
When considering using CC licensed work, you can still use it if it falls under an exception, like fair use.
Exceptions and limitations as listed in the Copyright Act also apply to works with a CC license.
If you are using a CC licensed work for a class assignment, remember to include the license attribution (just like citing your sources).
You can apply a CC license to anything protected by copyright that you own, with one important exception.
Software.
There are many free and open source software licenses that do that job better, built specifically as software licenses.
CC licenses only cover the copyright held by the creator.
They do no cover other rights, like:
Creative Commons Licenses Libguide by Nora Hehemann is licensed under Creative Commons Attribution-ShareAlike 4.0 International License.
"License Design and Terminology" https://certificates.creativecommons.org/cccertedu/chapter/3-1-license-design-and-terminology/ by Creative Commons. CC BY 4.0.