[REVISION HISTORY]

US mortgage credit scoring model transition

Updated 8 times since CLSTR started tracking revisions of this situation.

What changed

2026-10-08 10:39 UTC → 2026-10-10 01:47 UTC · added ~~removed~~

The US mortgage industry is transitioning toward modernized credit-scoring models, moving away from a reliance on traditional FICO scores. Following directives from FHFA Director Bill Pulte to end FICO’s monopoly, Fannie Mae and Freddie Mac have expanded the availability of VantageScore 4.0 to all approved lenders. This expansion removes the previous requirement for prior written approval, allowing lenders to choose between Classic FICO and VantageScore 4.0 during an interim transition phase. To facilitate this shift, the FHFA has directed Fannie Mae and Freddie Mac to move to a single pricing grid for loan-level price adjustments (LLPAs) that integrates VantageScore 4.0 alongside the Classic FICO model. This alignment aims to address previous calibration differences between the two scores and may allow more borrowers to qualify for lower LLPAs. While this increases utilization for alternative models, industry experts note uncertainty regarding how mortgage-backed securities (MBS) investors will respond. Lenders and credit bureaus are actively expanding integration. TransUnion has launched ‘First Look Functionality’ for mortgage lenders and extended its 99-cent VantageScore 4.0 mortgage pricing through 2028. Pennymac has rolled out VantageScore 4.0 across its consumer-direct, broker, and correspondent businesses. Other major players, including Rocket Mortgage and United Wholesale Mortgage, are also adopting or providing access to both VantageScore and Classic FICO models. Amidst this volatility, the law firm Levi & Korsinsky has launched a preliminary investigation into Fair Isaac to determine if the company was sufficiently transparent with investors regarding regulatory risks and competitive threats. Expanding on these regulatory shifts, the Federal Housing Administration (FHA) has issued Mortgagee Letter 2026-11 to formalize rules for using multiple scoring models, including VantageScore 4.0 and FICO Score 10T. Effective January 1, 2027, lenders must use the lowest selected score for each borrower and the lowest borrower-level score for the transaction.

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