From Support earlier this week :
Thank you for your time on the call today. I would like to inform you that an internal case has been opened with our backend team. Their investigation has confirmed that not all firmware versions are impacted by this issue. Please find the details below: Impacted Releases (cloud-managed switches): All available Cloud Native IOS XE 17.15 releases: 17.15.1, 17.15.2, 17.15.3, 17.15.3.1, 17.15.4 Not Impacted: CS17 or earlier CS releases MS releases Cloud Native IOS XE 17.18.1 Based on the above, your switch network is currently running MS firmware 17.1.4, and therefore is not impacted by this issue.