The Bank of England has warned that rapid advances in frontier AI will force banks and financial institutions to identify, patch and test software vulnerabilities at far greater speed, turning software assurance capacity into an increasingly important component of financial stability. In its July 2026 Financial Stability Report, the Bank said the latest AI models are becoming significantly more capable of discovering and exploiting weaknesses across complex software environments, with the resulting increase in vulnerability volumes potentially placing unprecedented pressure on existing testing, change-management and operational resilience processes. The report, published twice a year by the Financial Policy Committee led by Sarah Breeden, raises the concern that financial firms and their technology suppliers may struggle to validate and deploy the growing number of software fixes required. The Bank warned that frontier AI would require firms to “identify, patch and mitigate vulnerabilities more quickly and frequently”, increasing “the risk of disruption if change is not managed effectively”. Research cited in the report suggests the latest models can successfully complete software tasks that would take a human expert around 16 hours, with capability improvements occurring faster than previously forecast. The Bank stressed that vulnerability management is an end-to-end process, as a vulnerability must be checked for false positives, assessed for materiality, mapped to affected systems, assigned to engineering teams and tested before release.