More than 27% of Credit Bank of Moscow’s corporate loans are now classified as problematic

Russia’s Credit Bank of Moscow, known domestically as MKB, disclosed that 671 billion rubles, roughly $8 billion at current exchange rates, sat in its problematic loan category as of June 30, 2026. That figure represents more than 27% of the bank’s entire corporate lending book. For context, the broader Russian banking sector’s problematic corporate loan ratio had already reached somewhere between 10.4% and 11% by early 2026. MKB is running at nearly three times that average.

What’s driving the pile-up

The Central Bank of Russia has kept benchmark interest rates elevated to combat inflation, and that has turned the debt-servicing math ugly for borrowers in capital-intensive industries. Construction companies, metals producers, and coal miners are the primary sources of MKB’s stress.

Loan restructuring has become a common workaround across Russian banks, but restructuring also tends to delay rather than eliminate credit losses. Analysts watching the sector have warned that some of the stress is obscured inside restructured facilities, meaning the official problematic loan figures may understate the true picture.

MKB’s disclosure arrived on September 10, 2026, as part of the bank’s regular financial reporting cycle.

Why MKB’s health matters beyond its own balance sheet

The Central Bank of Russia has designated MKB as a systemically important institution. MKB has longstanding ties to major state-linked entities, including Rosneft, Russia’s state-controlled oil giant. Those relationships have historically shaped the bank’s lending decisions and its borrower base. The bank has also faced management scrutiny in prior years over underwriting standards, and critics have long questioned whether the concentration of large, connected borrowers created a fragile portfolio.

What comes next, and who should be watching

There is also a question of provisioning adequacy. Banks are required to set aside capital against problem loans, and if MKB’s reserves prove insufficient against actual default rates, the capital adequacy conversation becomes urgent. A bank that needs to raise capital in Russia’s current environment, largely cut off from international markets, has a very narrow set of options.

For anyone tracking Russian financial stability from the outside, MKB’s numbers offer a rare, specific data point in a landscape where reliable information is scarce. The 671 billion ruble figure is precise, sourced from the bank’s own disclosures, and it tells a story about what happens when elevated rates meet a concentrated, capital-intensive borrower base with nowhere to refinance cheaply.

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