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Announcements
General WithSecure Announcements
Business Suite Announcements
Elements Announcements
CVE-2026-40175 for Axios JavaScript library
Major Capricorn update for Endpoint Protection
Important Reminder: ALL Protection for F-Secure branded B2B products ends completely on December 31st 2024
WithSecure™ is refreshing its Terms of Use for our products and services
Support Status: Windows 8/8.1
TLS certificate provider update for GUTS2 backend (May 19, 2026)
Major Capricorn update for Endpoint Protection - May 2026
Release to Manufacturing: WithSecure Policy Manager 16.11 Hotfix 1
WithSecure Ultralight Core Update
Important Update: Sample Submission Is moving to a new platform
Reviewing and Updating XDR Suppression Rules
Removing the Detection and Response report view (Reports tab)
TLS certificate provider update for GUTS2 backend (May 19, 2026)
Major Capricorn update for Endpoint Protection - May 2026
Windows ARM64: Response Actions Support Now Available

WithSecure Ultralight Core Update

This notice relates to an upcoming release of Ultralight core that is expected to go to GA production on Thursday the 16th of April 2026.

During deployment, the update process may take slightly longer than usual, and in some cases the end-user might see a warning pop-up notification momentarily while the update is in progress.

Third-party monitoring or compliance tools may also observe temporary warning messages or a brief change in compliance status during the update.

This is expected while the update is in progress and should return to normal once the update is completed.

If the pop-up remains visible or the update does not complete after a reasonable period, please contact your support channel for assistance.