Glossary/Risk and controls

Significant risk

A significant risk is an identified risk of material misstatement that is close to the upper end of the spectrum of inherent risk, so it needs special audit consideration and a tailored response.

CORAA TeamUpdated November 5, 2026

Definition

A significant risk is an identified risk of material misstatement for which the assessed inherent risk is close to the upper end of the spectrum. Likelihood and magnitude both drive that judgment. Fraud risks are treated as significant risks, and under AU-C 240 so is the risk of management override of controls.

Why it matters in an audit or review

Significant risks get a response the routine plan does not cover. The auditor obtains an understanding of the controls that address them, evaluates their design and implementation, and cannot rely only on analytics: substantive procedures specific to the risk are required. If the auditor plans to rely on controls for a significant risk, those controls are tested in the current period. Communicating significant risks to those charged with governance is also part of the work under AU-C 260.

Example

A software company signs multi-element contracts with nonstandard acceptance terms in the last week of the quarter. The auditor designates revenue cutoff and allocation as a significant risk, reads each large contract, tests the timing of acceptance, and extends the testing to contracts signed in the first two weeks after year end.

Common mistakes

Labeling every high-dollar account as a significant risk. The label is about the risk of misstatement, not the size of the balance.

Sources

  • AICPA, AU-C Section 315 (as amended by SAS No. 145)
  • AICPA, AU-C Section 330, Performing Audit Procedures in Response to Assessed Risks
  • AICPA, AU-C Section 240, Consideration of Fraud in a Financial Statement Audit
  • AICPA, AU-C Section 260, The Auditor's Communication With Those Charged With Governance

Definitions paraphrase AICPA and FASB guidance; read the standard itself before relying on a requirement. Example figures are illustrative. This page is guidance, not professional advice. Report an error

Standards

AU-C 315AU-C 240

Related terms

  • Risk of material misstatement
    The risk of material misstatement is the risk that financial statements are materially misstated before the audit. It exists at the statement and assertion levels and has inherent risk and control risk components.
  • Inherent risk
    Inherent risk is the susceptibility of an assertion about a class of transactions, account balance or disclosure to a misstatement that could be material before considering any related controls.
  • Management override of controls
    Management override of controls is the risk that management bypasses controls that otherwise work, by posting false entries or biasing estimates, and AU-C 240 treats it as present in every audit.
  • Revenue recognition fraud presumption
    AU-C 240 presumes that improper revenue recognition is a fraud risk in every audit. The auditor may rebut the presumption for specific revenue streams only with documented reasons.

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