Permission number 34 of this document states all that all roles by default can "Update any Existing Public (Shared) Saved Search (created by any user)".
This is inaccurate and needs to be corrected.
The document can be found here -
https://www.blackbaud.com/docs/default-source/how-to-documentation/blackbaud-grantmaking/giftsonlinepermissions.pdf
You won't be notified about changes to this idea.