The Bank of England warned on July 7, 2026, that rapid advancements in artificial intelligence have increased risks to global financial stability.
According to its latest Financial Stability Report, these risks stem from expanded cyber vulnerabilities and inflated sector stock valuations.
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Geopolitical tensions in the Middle East further compound vulnerabilities linked to private credit and risky assets.
Economists noted a higher probability that multiple operational and financial disruptions could occur simultaneously across the banking sector.
The central bank highlighted that frontier AI models can now exploit existing software weaknesses more effectively, threatening financial institutions and core market infrastructures.
It described "a significant increase in the risks to financial stability from cyber and operational vulnerabilities."
The regulator explained that automated systems allow malicious actors to execute rapid, multi-stage digital assaults on corporate networks.
In response, the Financial Policy Committee noted that technology company valuations have surged due to aggressive investor funding and positive earnings reports, calling them "more stretched."
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An abrupt correction in inflated AI equity prices could trigger a sharp global market downturn, potentially reducing UK GDP by up to 2.2 percentage points.
Rising vulnerabilities are also visible in private credit markets, as entities increasingly use debt to fund unprecedented technology investments, a trend the Bank called "more pronounced."
Despite these pressures, the Bank said major domestic banks and retail consumers have sufficient capital buffers to withstand immediate shocks, describing them as "resilient."
To support lending capacity, it proposed lowering leverage requirements for large UK banks by about 20 basis points, launching a public consultation extending into next year.
Deputy Governor Sarah Breeden noted that autonomous AI models are transforming cyber capabilities at an exponential pace.
She cited Five Eyes cyber security agencies saying, "the timeline is not years, it is months."
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Breeden emphasized that global financial systems must accelerate software patching and enhance cross-firm recovery mechanisms to maintain operational resilience during potential large-scale disruptions.
