The European Central Bank has published its May 2026 Financial Stability Review, concluding that the euro area financial stability outlook has deteriorated as the war in the Middle East triggers an adverse energy supply shock and adds to wider trade, fiscal and cyber risks. The review identifies three main channels of risk: a possible abrupt repricing in financial markets and sovereign debt, amplification through liquidity and leverage vulnerabilities in the non-bank financial sector, and spillovers to banks through their links with non-banks and weaker debt-servicing capacity among firms and households. Markets and non-banks have remained orderly so far, but the ECB says asset valuations are still stretched, sovereign yields have risen, and outflows from high-yield bond funds and stress in US private credit show how quickly liquidity strains could build. Euro area banks enter this period from a relatively strong position, with return on equity close to 10% in 2025, an aggregate non-performing loan ratio of 2.2%, and direct exposures to the Middle East of about 0.6% of total assets. Even so, a more prolonged shock could weaken asset quality in SME, consumer, trade-reliant and energy-intensive portfolios. The review therefore argues for maintaining releasable bank capital buffers, using borrower-based measures to preserve lending standards, and strengthening EU macroprudential, supervisory and data frameworks for non-banks.