26.4.1 Release: Required Oracle Security Updates and Related Platform Maintenance

We are planning to deploy the required Oracle security updates and related platform maintenance to customer environments on the following schedule:

• Non-production environments: Sunday evening, June 21, 2026 (26.4.1.1 patch deployment scheduled for July 7, see comments for further details)
• Production environments: Thursday evening, July 9, 2026

Oracle Corporate Security provided the following additional information to all customers regarding these security updates:

“At Oracle, protecting your data and delivering a high-performing, reliable application experience are top priorities. As part of our continued investment in security and service quality, we are enhancing our approach to vulnerability detection and response by introducing monthly patching for all Fusion Applications environments starting in May 2026. Oracle will continue monthly patching in the months ahead, as appropriate to meet customer needs.